Meross Smart Wi-Fi 3-Way Wall Switch, IoT, 802.11n

MX76593 Smart Wi-Fi 3-Way Wall Switch, IoT, 802.11n
MX76593 Smart Wi-Fi 3-Way Wall Switch, IoT, 802.11n

Product Info


MEROSS Smart WiFi 3-Way Light Switch

The MSS550 is a smart Wi-Fi 3-way wall switch. For most of the competitive smart 3-way switches in the market, customer needs to replace both regular 3-way switches. While with Meross MSS550, customers only need to replace one to make the whole system be smart.

The Meross MSS550 can be controlled from anywhere with your Meross app (iOS, Android). It allows you to turn the connected lights or fans on and off, and to set schedules or auto-off timer routine around your daily needs. Additionally, after pairing with Amazon Alexa or Google Assistant, users can simply control the connected devices with voice commands.

The MSS550 complies with all US / Canadian wall switch regulations, and can seamlessly replace your conventional wall switches. Moreover, with the clearly designed setup wizard in Meross app, the wiring process has never been easier.

Finally, the MSS550 operates using Wi-Fi; you can simply connect it to your existing home Wi-Fi without the need to purchase an extra hub.


  • Low cost solution. Replace one regular 3-way only. No needs to replace both regular 3-way switches
  • Turn lights or fans on/off from anywhere* with your Meross app (iOS & Android)
  • Works with Amazon Alexa, Google Assistant and IFTTT. Samsung SmartThings and NEST compatibility are coming soon
  • Create on/off schedules or set auto-off timer routine to work automatically. Sunrise/Sunset is ready. Random On/Off function will be added via firmware update soon
  • LED indicator helps find the switch easily, even at night
  • Works with the Wi-Fi you already have in your home*. No hub or accessories required
    • * Neutral wire is required for the installation.
    • * Internet connection required.


Make and Model MEROSS Smart WiFi 3-Way Light Switch
Part Number MSS550
Color White
Button On / Off
IoT Functions Wi-Fi Controls Light Switch On / Off Function
Compatible Bulbs Works with all Light Bulb Types
Wireless Standards 2.4GHz: IEEE 802.11 b/g/n
Wireless Security 64/128 bit WEP
* Does not support Enterprise Wi-Fi
Temperature Operating: 0 ~ 40° C (32 ~ 104° F)
Storage: -40 ~ 70° C (-40 ~ 158° F)
Humidity Operating: 10 ~ 90% RH, Non-Condensing
Storage: 5 ~ 90% RH, Non-Condensing
Certifications ETL
Power Support Input:
100 ~ 125Vac, 50 - 60Hz

Incandescents: 400W Maximum
Compact Fluorescent and LED Light Bulbs: 150W Maximum

Dimensions With Faceplate: 119 x 84 x 35.6mm
Without Faceplate: 104 x 71 x 35.6mm
Weight N/A