# Eve Motion

*Eve / 20EBY9901, 10EBY9951*

> Motion is a Thread motion and light sensor that uses Matter and two AAA batteries. It has an IPX3 rating for indoor and outdoor use. It needs a Matter controller and a Thread border router. It suits HomeKit, Google Home, Alexa, SmartThings and Home Assistant users, with native support through Matter over Thread.

- Canonical page: https://smarthomecanon.com/devices/eve-motion
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Eve](https://smarthomecanon.com/brands/eve) |
| Category | Motion sensor |
| Model numbers | 20EBY9901, 10EBY9951 |
| Status | Current[^1] |
| Type | Motion sensor[^2] |
| Radio | Thread[^2] |
| Matter | Matter over Thread[^2][^3] |
| Power | 2 AAA batteries[^2] |
| Thread role | End device (battery-powered Thread accessories are endpoints)[^4] |
| Region | Global[^2] |
| Released | 2023-04[^3] |
| IP rating | IPX3[^2] |

## Integration paths

**How the Eve Motion connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Thread](https://smarthomecanon.com/protocols/matter-thread) | Matter controller, Thread border router[^2] | unknown | unknown |

**Platform support for the Eve Motion**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter / Thread | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^2] |  |
| Matter / Thread | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Native[^2] |  |
| Matter / Thread | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Matter / Thread | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Matter / Thread | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Native[^2] |  |
| Matter / Thread | [Homey](https://smarthomecanon.com/platforms/homey) | Native[^2] |  |

## Releases

**Eve Motion release events**

| Date | Event | Detail |
| --- | --- | --- |
| 2023-04-17[^3] | Released | Matter version available; free upgrade for existing Thread models. |

## Related pages

- [Eve sensors](https://smarthomecanon.com/lines/eve-sensors) (line)
- [Eve](https://smarthomecanon.com/brands/eve) (brand)
- [Matter over Thread](https://smarthomecanon.com/protocols/matter-thread) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (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]: Eve Store (US): product list. https://www.evehome.com/en-us/store (manufacturer, checked 2026-10-20)
[^2]: Eve: Eve Motion. https://www.evehome.com/en-us/eve-motion (manufacturer, checked 2026-10-20)
[^3]: Eve press release, 2023-03-28: Eve starts rolling out Matter-enabled devices. https://www.evehome.com/en/news/matter-enabled-devices (manufacturer, checked 2026-10-13)
[^4]: Eve: Eve Light Switch. https://www.evehome.com/en-us/eve-light-switch (manufacturer, checked 2026-10-13)