# Meross MSS550HK 3 Way Smart Light Switch

*Meross / MSS550HK, MSS550HKKIT, MSS550*

> The Meross MSS550HK 3 Way Smart Light Switch is a Wi-Fi switch that replaces one switch of a 3-way pair. It needs a neutral wire and works with HomeKit, Alexa and Google Assistant. It suits HomeKit, Google Home, Alexa and Home Assistant users, with native support through the maker's cloud.

- Canonical page: https://smarthomecanon.com/devices/meross-mss550
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Meross](https://smarthomecanon.com/brands/meross) |
| Category | Switch |
| Model numbers | MSS550HK, MSS550HKKIT, MSS550 |
| Status | Current[^1] |
| Type | On/off switch[^1] |
| Standard | HomeKit[^1] |
| HomeKit | Native[^1] |
| Wiring | 3-way, neutral wire required[^1] |
| Dimming | unknown |
| Sold in | US and Canada[^1] |

## Integration paths

**How the Meross MSS550HK 3 Way Smart Light Switch connects**

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

**Platform support for the Meross MSS550HK 3 Way Smart Light Switch**

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

## 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)
- [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]: Meross 3 Way Smart Light Switch, MSS550HK (US/CA Version) - Meross Official Store. https://shop.meross.com/products/3-way-smart-switch-mss550-us (manufacturer, checked 2026-10-16)