Light switches compatible with Samsung SmartThings
3 light switches verified to work with Samsung SmartThings, with what each one needs (hub, bridge or Thread border router) and current prices.
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Lutron Caseta Diva Smart Dimmer Switch $88
Lutron ClearConnect radio; every integration runs through the Lutron Smart Hub ('The smart hub contains Apple Home technology'). 'No neutral wire required.' Home Assistant: official local HA integration exists but was not verified in this pass.
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Kasa Smart Wi-Fi Light Switch (KS205) —
TP-Link's own product page: 'Matter-certified - Integrate Matter-certified Kasa devices with other certified products into any Matter-certified ecosystem' and 'Manage your smart switch with voice commands via Amazon Alexa, Apple Siri(R), or Google Assistant.' SmartThings and Home Assistant are claimed on the Matter path, not named individually - same basis as the other Matter-native devices here, since all five are Matter controllers. Matter runs over 2.4 GHz Wi-Fi, so there is no Thread border router and no bridge. **Neutral wire required** - the page states it in the specs, and it is the deciding difference against the Lutron Diva, which needs none. Rated 15 A / 600 W max incandescent, 1/6 HP motor; on/off only, no dimming.
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Kasa Smart Wi-Fi Light Dimmer Switch (KS225) —
TP-Link's own product page: 'Matter-certified - Integrate Matter-certified Kasa devices with other certified products into any Matter-certified ecosystem' and 'Manage your smart switch with voice commands via Amazon Alexa, Apple Siri(R), or Google Assistant.' SmartThings and Home Assistant are claimed on the Matter path, not named individually - same basis as the other Matter-native devices here, since all five are Matter controllers. Matter runs over 2.4 GHz Wi-Fi, so there is no Thread border router and no bridge. **Neutral wire required** - the page states it in the specs, and it is the deciding difference against the Lutron Diva, which needs none. Dimmer: 150 W LED (MLV) / 300 W incandescent, leading-edge (triac phase-cut) dimming - TP-Link's page itself advises checking bulb compatibility for leading-edge dimming.