LG Smart Wall Switch (2 Button)
Part TMCS2W4W
Med confidence
2026-10-26 last checked
thread transport
Specs
| Brand | LG |
|---|---|
| Model | Smart Wall Switch (2 Button) |
| Device type | On/off light |
| Matter / firmware | Matter 1.4 (CSA cert CSA2639HMAT53637-24, certified 2026-05-17) |
| Transport | thread |
| Thread role | Thread device; needs Thread border router + Matter controller |
| Confidence | Med |
| Last checked | 2026-10-26 |
Platform support for this device type
| Field | Apple Home | Google Home | Amazon Alexa | SmartThings | Home Assistant | Homey | Hubitat |
|---|---|---|---|---|---|---|---|
| Pairs | Y | Y | Y | Y | Y | Y | Unknown |
| Control | Y | Y | Y | Y | Y | Y | Unknown |
| Starts automation | Y | Y | Unknown | Y | Y | Y | Unknown |
| Controlled by automation | Y | Y | Y | Y | Y | Y | Unknown |
| Confidence | High | High | Med | High | High | Med | Med |
Product notes
CSA-certified Matter 1.4 device type (on_off_light). Platform support follows the type matrix for on_off_light; no product-specific platform test reviewed yet.
From the CSA certified-product list (DCL), checked 2026-10-22: Matter 1.4 certified model from the CSA DCL; device type mapped from CSA deviceTypeId 256. Product-specific platform behaviour not yet tested. Cert date 2026-05-17.
How it differs from the type answer
- Matter over Thread; part of LG's Matter-over-Thread device lineup.
- Can operate with or without a neutral wire.
- Binding feature is not available on this device.
- No power metering included.
Sources
- on.dcl.csa-iot.org · official · 2026-10-22
- matteralpha.com · review · 2026-10-26