# Meross MSS815MA Matter Smart In-Wall Switch

*Meross / MSS815MA, MSS815MAKIT, MSS815MAQUA, MSS815*

> The Meross MSS815MA Matter Smart In-Wall Switch is a Matter switch module that fits behind an existing wall switch and needs a neutral wire. It handles 10 A and works with HomeKit, Alexa, Google Home and Home Assistant without a Meross hub. It suits HomeKit, Google Home and Alexa users, with native support through Matter over Wi-Fi. Home Assistant users reach it through an integration (Matter over Wi-Fi).

- Canonical page: https://smarthomecanon.com/devices/meross-mss815
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Meross](https://smarthomecanon.com/brands/meross) |
| Category | Switch |
| Model numbers | MSS815MA, MSS815MAKIT, MSS815MAQUA, MSS815 |
| Status | Current[^1] |
| Type | Switch module[^1] |
| Standard | Matter over Wi-Fi[^1] |
| HomeKit | Via Matter[^1] |
| Wiring | Behind an existing 1-way, 1-gang switch, neutral wire required[^1] |
| Dimming | unknown |

## Integration paths

**How the Meross MSS815MA Matter Smart In-Wall Switch connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) | A Matter controller, 2.4 GHz Wi-Fi network, Neutral wire[^1] | Yes[^1] | unknown |

**Platform support for the Meross MSS815MA Matter Smart In-Wall Switch**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter / Wi-Fi | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^1] |  |
| Matter / Wi-Fi | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^1] |  |
| Matter / Wi-Fi | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^1] |  |
| Matter / Wi-Fi | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | Via integration[^1] |  |
| Matter / Wi-Fi | [Homey](https://smarthomecanon.com/platforms/homey) | withheld |  |

## Related pages

- [Meross wall switches, dimmers and shutter controls](https://smarthomecanon.com/lines/meross-wall-switches-and-dimmers) (line)
- [Meross](https://smarthomecanon.com/brands/meross) (brand)
- [Matter over Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) (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]: Meross Matter Smart in-Wall Switch, MSS815MA - Meross Official Store. https://shop.meross.com/products/meross-matter-switch-mss815ma (manufacturer, checked 2026-10-16)