Kasa Smart Wi-Fi Light Switch KS205
KS205 single-pole Matter Wi-Fi light switch; neutral required; US 120V
High confidence
2026-10-16 last checked
wifi transport
Specs
| Brand | Kasa (TP-Link) |
|---|---|
| Model | Smart Wi-Fi Light Switch KS205 |
| Device type | On/off light |
| Matter / firmware | Matter 1.0 (CSA23070MAT40583-24, certified 2023-01-04, fw 1.0.0; VID 0x1391 PID 0x0201) |
| Transport | wifi |
| Thread role | n/a (Wi-Fi + Bluetooth) |
| Confidence | High |
| Last checked | 2026-10-16 |
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 End Product primary 0x0100 On/Off Light (wall switch certifying as light endpoint — same inventory home as Inovelli White on/off). Kasa US page: Matter-certified; Alexa/Siri/Google/Matter ecosystems. Not added under switch_button (primary is not 0x0103). No SKU-level automation test this pass.
v0.53 High add (high4 thicken): CSA23070MAT40583-24 primary 0x0100 + Kasa US retail. Previously excluded only as switch_button; correct home is on_off_light. on_off_light 4→5.
How it differs from the type answer
- Wall switch form factor exposing Matter On/Off Light 0x0100 (not On/Off Light Switch 0x0103).
- Neutral wire required; single-pole.
- Matter over Wi-Fi — no Thread BR needed.
- Platform exposure follows on_off_light type matrix; no SKU-level automation test this pass.
Sources
- csa-iot.org · official · 2026-10-16
- kasasmart.com · retail · 2026-10-16
- bhphotovideo.com · retail · 2026-10-16