Please enable JS

Smart Wi-Fi Surge Protector (US/JP)


Smart Wi-Fi Surge Protector (US/JP)

  • The 3-Outlet and 2-USB port smart Wi-Fi surge protector; Ideal for home and office use.
  • Turn each outlet and USB port on/off from anywhere* with your Meross app (iOS & Android).
  • Works with Amazon Alexa, Google Assistant and IFTTT. Samsung SmartThings and NEST compatibility will be supported soon.
  • Create and set on/off schedules as well as an auto-off timer routine for each outlet and USB port to work automatically. Sunrise/Sunset is ready. Random On/Off function will be added via firmware update soon.
  • Intelligent USB charging ports provide up to 3.1A power for dual ports.
  • Works with the Wi-Fi you already have in your home. No hub or accessories required.
            *Internet connection required

The MSS425 is a smart Wi-Fi surge protector, which comes equipped with 3 AC outlets and 2 USB ports; It is ideal for home and office use. Both the AC outlets and USB ports can be controlled individually from anywhere* with your Meross app (iOS, Android). It allows you to turn the connected devices on and off, set schedules, or activate the timer routines around your daily needs.  Additionally, after pairing with either Amazon Alexa or Google Assistant, you can simply control the connected devices with voice commands.
MSS425 has two USB ports, providing up to 5V/3.1A charging ability.
No Hub Needed:  The MSS425 operates using your existing Wi-Fi. You can simply connect it to your existing home Wi-Fi without the additional cost of a hub!

*Internet connection required

Hardware Features

Input 100-125V~, 50/60Hz, 15.0A
Output Outlet:
100-125V~, 50/60Hz
10A maximum load for single outlet
15A maximum load for three outlets
USB port:
5V ⎓ 2.1A for single USB port
5V ⎓ 3.1A for dual USB ports
Port 3 AC outlets
2 USB ports
Button On/Off Button
Press and hold for 5 seconds to initiate factory reset process
JP: 1 x Status LED, 3 x Socket Power LED, 1 x USB Power LED
Dimensions ( W x D x H ) US: 9.4 x 2.1 x 1.2 in. (excluding power cord)
JP: 232 x 45 x 30 mm (excluding power cord)
Power Cord 6-foot long
Antenna One Internal Antenna

Wireless Features

Wireless Standards IEEE 802.11 b/g/n, 2.4GHz, 1T1R
Wireless Security Support 64/128 bit WEP, WPA-PSK/WPA2-PSK

*Does not support Enterpirse WiFi.


Certification US: FCC, ETL
JP: Telec, PSE
Package Contents Smart Wi-Fi Surge Protector
Quick Installation Guide
System Requirements iOS 9 or higher, Android 4.1 or higher
Existing Wi-Fi network
Environment Operating Temperature: 0℃~40℃ (32℉~104℉)
Storage Temperature: -40℃~70℃ (-40℉~158℉)
Operating Humidity: 10%~90% non-condensing
Storage Humidity: 5%~90% non-condensing

Download for MSS425


MSS425 v1 User Manual

FAQ Firmware Apps GPL Code



GPL Code