Product Library / Switches & Dimmers
Research profile · verified 2026-09-27 · sources re-checked 2026-11-02⚠ Similar names, different products: Leviton's D315S and D215S are different products despite near-identical names and near-identical listings. This page covers the D315S. Leviton's own product page publishes no '3rd Gen' label (Samsung's SmartThings directory does use one), so a listing that only says 'Decora Smart Wi-Fi switch' does not tell you which one you are buying.
Compatibility at a glance
Choose your platform to see its setup and functions. Your choice carries across product pages.
A connection can work while individual controls or automations remain unconfirmed. Read the connection details ↓
Protocols: WIFI · MATTER · BLUETOOTH[1][2][4][11][22][24]
Before you buy
Both use Matter over your home Wi-Fi. Choose the setup that fits how you want to control it.
Use your existing Wi-Fi and iPhone.
What you gainControl it in the Home app without adding a HomePod or Apple TV.
Keep in mindYour iPhone needs to be on the home network for this path.
Add a home hub that stays connected at home.
What you gainThe home hub adds remote access and shared control.
Keep in mindA home hub provides Apple Home’s automation support. The functions a routine can use still depend on this device and connection; check the function table below.
No, for this connection. This device uses Wi-Fi. A HomePod or Apple TV here serves as an Apple home hub; Thread support is a separate role used by Thread devices.
These paths summarize documented setup options. Check the function table for the connection covered by each recorded capability.
Coded differently from Alexa/Google deliberately, and the asymmetry is reasoned rather than arbitrary: Apple Home speaks only HomeKit or Matter, and Leviton documents NO native-HomeKit path for this model — unlike the 2nd-Gen line, which advertised HomeKit prominently. The instruction sheet carries no HomeKit branding at all and its single controller step is 'Connect to a Matter controller (optional)', while the product page says 'Matter ready out of the box'. Matter is therefore the only remaining path, not a guess. Full because on/off is this device's entire function and its certified Matter device type is On/Off Light (0x0100). Platform requirement, not a D315S spec: Leviton states that controlling Matter accessories from the Apple Home app and Siri 'requires an Apple Home hub such as a HomePod or Apple TV running the latest software', and that the Matter pairing code lives in the My Leviton app under Device Settings. Apple says an iPhone on iOS 18 or later can add and control Matter accessories without a home hub, though it recommends one.[2][5][22][25]
Compare the documented setups and their requirements. Read each limit before choosing a route.
Leviton Decora Smart Wi-Fi Switch, 15A (D315S)
What you gainReach the device through the documented account connection.
Keep in mindInternet and the vendor account are required. Check which functions this route exposes.
Leviton Decora Smart Wi-Fi Switch, 15A (D315S)
What you gainUse the platform’s Matter support for local communication.
Keep in mindUse a compatible Matter controller. The function table describes the recorded primary connection; do not assume every function transfers to the alternative.
Check the function table and setup notes for this route. An alternative connection does not inherit every capability of the recorded primary connection. A Thread border router, a Matter controller and a platform home hub are different roles; suitable hardware may provide more than one.
These paths summarize documented setup options. Check the function table for the connection covered by each recorded capability.
The same two routes as Alexa. Leviton's instruction sheet: 'you can set up your device with My Leviton and link your Google account, or you can use Matter to set it up directly in the Google Home app if you have a compatible Matter-enabled Google device.' The account-linked route is the one recorded, because it needs no hardware you do not already have; the Matter route needs a Google speaker or display that speaks Matter. Leviton names Google for voice control and does not say which control Google gets on the account-linked route, so on/off is unconfirmed there, and Google publishes no product directory we can check for this model.[2][17][22][36]
Compare the documented setups and their requirements. Read each limit before choosing a route.
Leviton Decora Smart Wi-Fi Switch, 15A (D315S)
What you gainReach the device through the documented account connection.
Keep in mindInternet and the vendor account are required. Check which functions this route exposes.
Leviton Decora Smart Wi-Fi Switch, 15A (D315S)
What you gainUse the platform’s Matter support for local communication.
Keep in mindUse a compatible Matter controller. The function table describes the recorded primary connection; do not assume every function transfers to the alternative.
Check the function table and setup notes for this route. An alternative connection does not inherit every capability of the recorded primary connection. A Thread border router, a Matter controller and a platform home hub are different roles; suitable hardware may provide more than one.
These paths summarize documented setup options. Check the function table for the connection covered by each recorded capability.
Leviton documents two ways in, and the one recorded here is the one that costs you nothing extra. Its own instruction sheet says you can 'set up your device with My Leviton and link your Amazon account, or you can use Matter to set it up directly in the Amazon Alexa app if you have a compatible Matter-enabled Amazon device'. The account-linked route needs only the free app, which is why it is the one recorded; the Matter route keeps the traffic on your own network, but only if you already own an Echo that speaks Matter. Leviton names Alexa for voice control and does not say which control Alexa gets on the account-linked route, so on/off is unconfirmed there, and Amazon publishes no product list we are able to read.[2][17][22][36]
Follow the recorded connection below. Equipment details and setup limits explain what else this path needs.
Leviton Decora Smart Wi-Fi Switch, 15A (D315S)
What you gainThis connection communicates locally.
Keep in mindCheck the function table for supported controls and routines. A connection diagram does not establish every function or remote access.
This shows the connection route, not every network cable or a shopping list. One device may provide several roles, including a Matter controller and a Thread border router. Only a Thread connection needs the Thread role. Read the equipment cards for all recorded requirements.
These paths summarize documented setup options. Check the function table for the connection covered by each recorded capability.
SmartThings — Matter path · checked 2026-10-14
Both companies now say it works, and there is one way in: Matter, through a SmartThings hub. Samsung's own partner directory lists this switch by its model number, and Leviton's instruction sheet says: 'For use with Samsung SmartThings, use Matter to set up your device in the SmartThings app and connect to a compatible Matter-enabled SmartThings Hub.' Unlike Alexa and Google, Leviton offers no account-linking route here, so if you do not already have a Matter-capable SmartThings hub, you will need one. That is a requirement of the platform rather than a limit of the switch, the same way Apple Home needs a HomePod or Apple TV, and on/off, which is this switch's whole job, comes through.[2][3][17][21][22][28]
Compatibility is named, but the connection method is not documented here. A working path cannot be drawn yet.
Leviton lists Home Assistant among the platforms this switch works with, but it does not say how the switch connects to Home Assistant or what Home Assistant can do with it, so even on/off from Home Assistant is unconfirmed. Leviton's setup guide gives steps for Alexa, Google Home, Apple Home and SmartThings and none for Home Assistant. The switch is Matter-ready, but Leviton does not name Matter as the way into Home Assistant.[3][17][23][31][32]
The equipment list for this platform is not fully specified here. Use the documented setup above; an empty list does not mean no equipment is needed.
One device can provide more than one role. These are setup requirements, not a shopping list of separate purchases.
What could you do with this?
Start with a documented control or event. The selected connection shows what is confirmed for that platform.
Apple Home · Works
This device supports on/off.
Setup: See the equipment information above.
Coded differently from Alexa/Google deliberately, and the asymmetry is reasoned rather than arbitrary: Apple Home speaks only HomeKit or Matter, and Leviton documents NO native-HomeKit path for this model — unlike the 2nd-Gen line, which advertised HomeKit prominently. The instruction sheet carries no HomeKit branding at all and its single controller step is 'Connect to a Matter controller (optional)', while the product page says 'Matter ready out of the box'. Matter is therefore the only remaining path, not a guess. Full because on/off is this device's entire function and its certified Matter device type is On/Off Light (0x0100). Platform requirement, not a D315S spec: Leviton states that controlling Matter accessories from the Apple Home app and Siri 'requires an Apple Home hub such as a HomePod or Apple TV running the latest software', and that the Matter pairing code lives in the My Leviton app under Device Settings. Apple says an iPhone on iOS 18 or later can add and control Matter accessories without a home hub, though it recommends one.
Connection documentation: [2] [5] [22] [25]
Device documentation: [10] [23]
leviton.com · checked 2026-09-27
leviton.com · checked 2026-09-27
leviton.com · checked 2026-09-27
Apple Home — Matter path · checked 2026-09-04
Apple Home — Matter path · checked 2026-10-03
Google Home · Works; on/off unconfirmed
This device supports on/off.
Setup: See the equipment information above.
The same two routes as Alexa. Leviton's instruction sheet: 'you can set up your device with My Leviton and link your Google account, or you can use Matter to set it up directly in the Google Home app if you have a compatible Matter-enabled Google device.' The account-linked route is the one recorded, because it needs no hardware you do not already have; the Matter route needs a Google speaker or display that speaks Matter. Leviton names Google for voice control and does not say which control Google gets on the account-linked route, so on/off is unconfirmed there, and Google publishes no product directory we can check for this model.
Connection documentation: [2] [17] [22] [36]
Device documentation: [10] [23]
leviton.com · checked 2026-09-27
leviton.com · checked 2026-10-23
Alexa · Works; on/off unconfirmed
This device supports on/off.
Setup: See the equipment information above.
Leviton documents two ways in, and the one recorded here is the one that costs you nothing extra. Its own instruction sheet says you can 'set up your device with My Leviton and link your Amazon account, or you can use Matter to set it up directly in the Amazon Alexa app if you have a compatible Matter-enabled Amazon device'. The account-linked route needs only the free app, which is why it is the one recorded; the Matter route keeps the traffic on your own network, but only if you already own an Echo that speaks Matter. Leviton names Alexa for voice control and does not say which control Alexa gets on the account-linked route, so on/off is unconfirmed there, and Amazon publishes no product list we are able to read.
Connection documentation: [2] [17] [22] [36]
Device documentation: [10] [23]
leviton.com · checked 2026-09-27
leviton.com · checked 2026-10-23
SmartThings · Works
This device supports on/off.
Setup: a Matter-compatible SmartThings hub
a Matter-compatible SmartThings hub. SmartThings — Matter path · checked 2026-10-14
Both companies now say it works, and there is one way in: Matter, through a SmartThings hub. Samsung's own partner directory lists this switch by its model number, and Leviton's instruction sheet says: 'For use with Samsung SmartThings, use Matter to set up your device in the SmartThings app and connect to a compatible Matter-enabled SmartThings Hub.' Unlike Alexa and Google, Leviton offers no account-linking route here, so if you do not already have a Matter-capable SmartThings hub, you will need one. That is a requirement of the platform rather than a limit of the switch, the same way Apple Home needs a HomePod or Apple TV, and on/off, which is this switch's whole job, comes through.
Connection documentation: [2] [3] [17] [21] [22] [28]
Device documentation: [10] [23]
leviton.com · checked 2026-09-27
leviton.com · checked 2026-09-27
partners.smartthings.com · checked 2026-09-27
SmartThings — Matter path · checked 2026-10-07
SmartThings — Matter path · checked 2026-10-14
SmartThings — Matter path · checked 2026-10-14
SmartThings — Matter path · checked 2026-10-14
SmartThings — Matter path · checked 2026-10-14
leviton.com · checked 2026-07-29
Home Assistant · Works per the maker; details unconfirmed
This device supports on/off.
Setup: See the equipment information above.
Leviton lists Home Assistant among the platforms this switch works with, but it does not say how the switch connects to Home Assistant or what Home Assistant can do with it, so even on/off from Home Assistant is unconfirmed. Leviton's setup guide gives steps for Alexa, Google Home, Apple Home and SmartThings and none for Home Assistant. The switch is Matter-ready, but Leviton does not name Matter as the way into Home Assistant.
Connection documentation: [3] [17] [23] [31] [32]
Device documentation: [10] [23]
leviton.com · checked 2026-10-04
leviton.com · checked 2026-10-04
A documented control or event is one part of a setup. It does not by itself establish a complete automation.
A platform connection does not confirm every function. Controls and reported events are shown separately from what an automation can use.
Compare all five platforms. On a narrow screen, scroll the table sideways.
| Device function | Apple HomeWorks[2][5][22][25] | Google HomeWorks; on/off unconfirmed[2][17][22][36] | AlexaWorks; on/off unconfirmed[2][17][22][36] | SmartThingsWorks[2][3][17][21][22][28] | Home AssistantWorks per the maker; details unconfirmed[3][17][23][31][32] |
|---|---|---|---|---|---|
| On/offDevice control | Control Supported for this Matter device type Automation ✓ Listed for this device type | Control Not stated Automation ? Not stated | Control Not stated Automation — | Control Supported for this Matter device type Automation ✓ Listed for this device type | Control Not stated Automation — |
✓ Documented for this connection. × A stated limit. ◐ A partial function. ? Not established. A listed device function does not establish a complete routine, its other equipment or any plan requirements.
A device-type listing describes the platform’s general support; it does not confirm this exact model.
Coded differently from Alexa/Google deliberately, and the asymmetry is reasoned rather than arbitrary: Apple Home speaks only HomeKit or Matter, and Leviton documents NO native-HomeKit path for this model — unlike the 2nd-Gen line, which advertised HomeKit prominently. The instruction sheet carries no HomeKit branding at all and its single controller step is 'Connect to a Matter controller (optional)', while the product page says 'Matter ready out of the box'. Matter is therefore the only remaining path, not a guess. Full because on/off is this device's entire function and its certified Matter device type is On/Off Light (0x0100). Platform requirement, not a D315S spec: Leviton states that controlling Matter accessories from the Apple Home app and Siri 'requires an Apple Home hub such as a HomePod or Apple TV running the latest software', and that the Matter pairing code lives in the My Leviton app under Device Settings. Apple says an iPhone on iOS 18 or later can add and control Matter accessories without a home hub, though it recommends one.[2][5][22][25]
The same two routes as Alexa. Leviton's instruction sheet: 'you can set up your device with My Leviton and link your Google account, or you can use Matter to set it up directly in the Google Home app if you have a compatible Matter-enabled Google device.' The account-linked route is the one recorded, because it needs no hardware you do not already have; the Matter route needs a Google speaker or display that speaks Matter. Leviton names Google for voice control and does not say which control Google gets on the account-linked route, so on/off is unconfirmed there, and Google publishes no product directory we can check for this model.[2][17][22][36]
Leviton documents two ways in, and the one recorded here is the one that costs you nothing extra. Its own instruction sheet says you can 'set up your device with My Leviton and link your Amazon account, or you can use Matter to set it up directly in the Amazon Alexa app if you have a compatible Matter-enabled Amazon device'. The account-linked route needs only the free app, which is why it is the one recorded; the Matter route keeps the traffic on your own network, but only if you already own an Echo that speaks Matter. Leviton names Alexa for voice control and does not say which control Alexa gets on the account-linked route, so on/off is unconfirmed there, and Amazon publishes no product list we are able to read.[2][17][22][36]
Both companies now say it works, and there is one way in: Matter, through a SmartThings hub. Samsung's own partner directory lists this switch by its model number, and Leviton's instruction sheet says: 'For use with Samsung SmartThings, use Matter to set up your device in the SmartThings app and connect to a compatible Matter-enabled SmartThings Hub.' Unlike Alexa and Google, Leviton offers no account-linking route here, so if you do not already have a Matter-capable SmartThings hub, you will need one. That is a requirement of the platform rather than a limit of the switch, the same way Apple Home needs a HomePod or Apple TV, and on/off, which is this switch's whole job, comes through.[2][3][17][21][22][28]
Leviton lists Home Assistant among the platforms this switch works with, but it does not say how the switch connects to Home Assistant or what Home Assistant can do with it, so even on/off from Home Assistant is unconfirmed. Leviton's setup guide gives steps for Alexa, Google Home, Apple Home and SmartThings and none for Home Assistant. The switch is Matter-ready, but Leviton does not name Matter as the way into Home Assistant.[3][17][23][31][32]
Platform documentation:
leviton.com · checked 2026-09-27
leviton.com · checked 2026-09-27
Apple Home — Matter path · checked 2026-09-04
Apple Home — Matter path · checked 2026-10-03
leviton.com · checked 2026-10-23
leviton.com · checked 2026-07-29
partners.smartthings.com · checked 2026-09-27
SmartThings — Matter path · checked 2026-10-07
SmartThings — Matter path · checked 2026-10-14
SmartThings — Matter path · checked 2026-10-14
SmartThings — Matter path · checked 2026-10-14
SmartThings — Matter path · checked 2026-10-14
leviton.com · checked 2026-10-04
leviton.com · checked 2026-10-04
Listed device functions are established from vendor documentation. An ability missing here is unestablished, not necessarily absent.
| Ecosystem | Support | The catch |
|---|---|---|
| Amazon Alexa | Works; on/off unconfirmedWorks; on/off unconfirmed — see the catch[2][17][22][36] | Leviton documents two ways in, and the one recorded here is the one that costs you nothing extra. Its own instruction sheet says you can 'set up your device with My Leviton and link your Amazon account, or you can use Matter to set it up directly in the Amazon Alexa app if you have a compatible Matter-enabled Amazon device'. The account-linked route needs only the free app, which is why it is the one recorded; the Matter route keeps the traffic on your own network, but only if you already own an Echo that speaks Matter. Leviton names Alexa for voice control and does not say which control Alexa gets on the account-linked route, so on/off is unconfirmed there, and Amazon publishes no product list we are able to read. |
| Google Home | Works; on/off unconfirmedWorks; on/off unconfirmed — see the catch[2][17][22][36] | The same two routes as Alexa. Leviton's instruction sheet: 'you can set up your device with My Leviton and link your Google account, or you can use Matter to set it up directly in the Google Home app if you have a compatible Matter-enabled Google device.' The account-linked route is the one recorded, because it needs no hardware you do not already have; the Matter route needs a Google speaker or display that speaks Matter. Leviton names Google for voice control and does not say which control Google gets on the account-linked route, so on/off is unconfirmed there, and Google publishes no product directory we can check for this model. |
| Apple Home | WorksWorks with this ecosystem[2][5][22][25] | Coded differently from Alexa/Google deliberately, and the asymmetry is reasoned rather than arbitrary: Apple Home speaks only HomeKit or Matter, and Leviton documents NO native-HomeKit path for this model — unlike the 2nd-Gen line, which advertised HomeKit prominently. The instruction sheet carries no HomeKit branding at all and its single controller step is 'Connect to a Matter controller (optional)', while the product page says 'Matter ready out of the box'. Matter is therefore the only remaining path, not a guess. Full because on/off is this device's entire function and its certified Matter device type is On/Off Light (0x0100). Platform requirement, not a D315S spec: Leviton states that controlling Matter accessories from the Apple Home app and Siri 'requires an Apple Home hub such as a HomePod or Apple TV running the latest software', and that the Matter pairing code lives in the My Leviton app under Device Settings. Apple says an iPhone on iOS 18 or later can add and control Matter accessories without a home hub, though it recommends one. |
| SmartThings | WorksWorks with this ecosystem[2][3][17][21][22][28] | Both companies now say it works, and there is one way in: Matter, through a SmartThings hub. Samsung's own partner directory lists this switch by its model number, and Leviton's instruction sheet says: 'For use with Samsung SmartThings, use Matter to set up your device in the SmartThings app and connect to a compatible Matter-enabled SmartThings Hub.' Unlike Alexa and Google, Leviton offers no account-linking route here, so if you do not already have a Matter-capable SmartThings hub, you will need one. That is a requirement of the platform rather than a limit of the switch, the same way Apple Home needs a HomePod or Apple TV, and on/off, which is this switch's whole job, comes through.In SmartThings you also need: a Matter-compatible SmartThings hub — SmartThings’s rule for every Matter accessory. Source (read 2026-10-14) |
| Home Assistant | Works per the maker; details unconfirmedWorks per the maker; details unconfirmed — see the catch[3][17][23][31][32] | Leviton lists Home Assistant among the platforms this switch works with, but it does not say how the switch connects to Home Assistant or what Home Assistant can do with it, so even on/off from Home Assistant is unconfirmed. Leviton's setup guide gives steps for Alexa, Google Home, Apple Home and SmartThings and none for Home Assistant. The switch is Matter-ready, but Leviton does not name Matter as the way into Home Assistant. |
✓ Works without a subscription: Yes.
Vendor account required: Optional — there is a documented way to use it without one.[12][22]
On Apple Home via Matter: No — no vendor account is involved.[37]
On SmartThings via Matter: No — no vendor account is involved.[37]
No subscription, paid tier or premium feature is mentioned anywhere in Leviton's specification page or installation instructions, including the sections on scheduling, auto-shutoff and remote control, which are the features a maker would normally gate. Recorded as none on that basis; note this rests on the absence of any paywall language in two Leviton documents rather than an explicit 'no subscription' statement.
A fit for a household that has a neutral wire in the box, wants a plain on/off smart switch that joins Matter without a firmware project, and controls it from Apple Home with a HomePod or Apple TV already in place. It suits loads beyond lighting too — Leviton rates it for ceiling and exhaust fans, motors and pumps up to 15A and 1/3 HP. Look elsewhere if you have no neutral wire, if your network is 5 GHz-only, or if you want three-way control without buying a matching companion switch. Alexa, Google Home and SmartThings owners now have a documented setup route from Leviton itself — account linking for the first two, Matter for SmartThings — so this is no longer a switch you have to research your way into. Two caveats remain. Neither Amazon nor Google confirms this model from its own side, though Samsung's SmartThings directory does list it; and the SmartThings route needs a Matter-capable SmartThings hub, with no account-linking alternative offered. Home Assistant is the one of the four where Leviton still claims support and documents nothing at all.
This opens Leviton's own website. We earn nothing from this link.
Numbered sources below back the facts marked with the matching number above. This is a research profile: compiled from manufacturer documentation, certification registries, and published testing — we state facts, not verdicts, and we have not physically tested this unit. How we work →
Where two sources we consider reliable say different things, we publish both positions and what we recorded, rather than quietly picking one.
This record
We publish: Leviton Decora Smart Wi-Fi Switch, 15A (D315S)
The maker's own product page names the product a switch and sells it under D315S-1BW; the certification listing's description line calls it a dimmer while its own title line calls it a switch, so the maker's page governs the name.
Compatibility and lifecycle information reflects the last-verified date above and can change without notice (firmware updates, cloud-service changes, discontinuations). It is provided as-is, for information — verify with the manufacturer before purchasing. Spot an error? Tell us and we'll fix it. Full terms: Terms of Service.
Your platform, exact hub and the functions you need determine the answer. A Setup Check researches how they fit together.