# Kasa KS225

*Kasa / KS225, KS225P3*

> The Kasa KS225 is the Matter dimmer. It works with HomeKit, Alexa and Google Home through Matter, and it needs a neutral wire. It suits HomeKit, Google Home, Alexa and Home Assistant users, with native support through Matter over Wi-Fi.

- Canonical page: https://smarthomecanon.com/devices/kasa-ks225
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Kasa](https://smarthomecanon.com/brands/kasa) |
| Category | Switch |
| Model numbers | KS225, KS225P3 |
| Status | Current[^1][^2] |
| Type | Dimmers[^2] |
| Matter | withheld |
| HomeKit | HomeKit via Matter[^2] |
| Neutral wire | Required[^2] |
| Wiring | unknown |
| Max load | 150 W LED (MLV), 300 W incandescent[^2] |
| Connectivity | Wi-Fi 2.4 GHz[^2] |
| Released | 2023-08-04[^3] |

## Integration paths

**How the Kasa KS225 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) | 2.4 GHz Wi-Fi network, Matter-compatible app[^2] | Yes[^2] | unknown |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | 2.4 GHz Wi-Fi network[^2] | Yes[^2] | unknown |

**Platform support for the Kasa KS225**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter / Wi-Fi | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^2] |  |
| Matter / Wi-Fi | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Matter / Wi-Fi | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Matter / Wi-Fi | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld |  |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Wi-Fi cloud | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | tplink |
| Wi-Fi cloud | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | nu.baretta.tplink |

## Releases

**Kasa KS225 release events**

| Date | Event | Detail |
| --- | --- | --- |
| 2023-01[^4] | Announced | Announced at CES 2023. |
| 2023-08-04[^3] | Released | TP-Link announced it as available. |

## Related pages

- [Kasa wall switches and dimmers](https://smarthomecanon.com/lines/kasa-wall-switches-and-dimmers) (line)
- [Kasa](https://smarthomecanon.com/brands/kasa) (brand)
- [Matter over Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) (protocol)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Kasa Smart US: smart switches listing. https://www.kasasmart.com/us/products/smart-switches (manufacturer, checked 2026-10-09)
[^2]: Kasa Smart Light Dimmer Switch, Matter (KS225) - Kasa Smart US. https://www.kasasmart.com/us/products/smart-switches/kasa-smart-wifi-light-switch-dimmer-ks225 (manufacturer, checked 2026-10-09)
[^3]: Matter-Compatible Switch and Dimmer from Kasa Now Available - TP-Link Smart Home Community. https://community.tp-link.com/us/smart-home/forum/topic/617716 (manufacturer, checked 2026-10-09)
[^4]: CES 2023: Kasa Smart Switches, Dimmers, and Controllers - TP-Link Smart Home Community. https://community.tp-link.com/us/smart-home/forum/topic/594778 (manufacturer, checked 2026-10-09)