Smart Wi-Fi Surge Protector
MSS425E US/EU/UK
  • The 3-Outlet and 4-USB port smart Wi-Fi surge protector. Ideal for home and office use.
  • Turn each outlet and four USB ports on/off from anywhere with your Meross app.
  • Works with Apple HomeKit, Amazon Alexa, Google Assistant, SmartThings, and IFTTT.
  • Create and set on/off schedules as well as an auto-off timer routine for each outlet and four USB ports to work automatically.
  • Intelligent USB charging ports provide up to 4.0A power.
  • The overload protection mechanism helps secure all of your electric appliances connected.
  • Apple HomeKit website listed.
HomeKit Version:
Non-HomeKit Version:
SPECS
Input
  • US: 90-125V~, 50/60Hz, 15.0A
  • EU/UK: 100-240V~, 50/60Hz, 10.0A
Output
  • US: 90-125V~, 50/60Hz, 15.0A maximum load
  • 5V ⎓ 2.4A for single USB port
  • 5V ⎓ 4.0A for four USB ports
  • EU/UK: 100-240V~, 50/60Hz, 10.0A maximum load
  • 5V ⎓ 2.4A for single USB port
  • 5V ⎓ 4.0A for four USB portsts     
Port
  • 3 x AC sockets
  • 4 x USB ports
Button
  • 1 x On/Off button
  • Press and hold for 5 seconds to initiate factory reset process
LED
  • 1 x Status LED
  • 3 x Socket power LED
  • 1 x USB power LED
Dimensions (W x D x H)
  • US: 10.3 x 2.2 x 1.1 in. (excluding power cord)
  • EU: 26.5 x 6.6 x 4.0 cm (excluding power cord)
  • UK: 11.0 x 2.4 x 1.1 in. (excluding power cord)
Power Cord
  • 6 ft or 1.8m long
Antenna
  • One internal antenna
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 Enterprise Wi-Fi. 
Certifications
  • US: FCC, IC, ETL
  • EU/UK: CE, RoHS, WEEE
Package Contents 
  • 1 x Smart Wi-Fi surge protector
  • 1 x User manual
System Requirements
  • Smartphone running iOS 9* or later, Android 4.1 or later
  • Existing Wi-Fi network
  • *HomeKit version requires iOS 13.0 or later.
Environment
  • Operating Temperature: 0°C~40°C (32°F~104°F)
  • Storage Temperature: -40°C~70°C (-40°F~158°F)
  • Operating Humidity: 10%~90%­ non-condensing
  • Storage Humidity: 5%~90%­ non-condensing
FAQS
Are there individual buttons for Meross smart surge protector outlets to switch them on/off separately?

No.There is only one button on the power strip to turn all outlets/USB on/off. You can control them separately via Meross app/Amazon Alexa app/Google Home app/SmartThings app or voice.

What devices can I control with the Smart Surge Protector?

You can control lights , fans , humidifiers , portable heaters , and any small appliances in accordance with the product specifications(up to xxA output). 

Learn More
DOWNLOAD
Manual
UG_MSS425E(US)_2104_EN
Manual
UG_MSS425EHK(US)_2104_EN
Manual
UG_MSS425EHK(EU)_2104_Multi-language
Manual
UG_MSS425E(EU)_2104_Multi-language
Manual
UG_MSS425E(UK)_2104
Manual
UG_MSS425EHK(UK)_2104