Smart WiFi Indoor/Outdoor Plug
  • IP64 waterproof housing, ideal for both indoor/outdoor use.
  • Turn each socket on/off individually with Meross app.
  • Works with Apple HomeKit*, Amazon Alexa, Google Assistant and SmartThings.
  • Create on/off schedule or auto-off timer to work automatically.
  • Works with the 2.4G WiFi you already have. No hub required.
  • Apple HomeKit website listed.



* Only MSS620HK supports HomeKit, MSS620 does NOT support HomeKit.







Some users feedback there was NO POWER OUTPUT after using the device for a while. Usually it is caused by an overload or short circuit which makes MSS620 blow its fuse* to avoid other SERIOUS DAMAGES in your home.
If you are experiencing NO POWER OUTPUT issue, please contact seller for solution.
* 10A rated fuse, please avoid using high power appliances, such as PUMP, POOL FILTERMOTOR, etc.
* For other plugs without fuse, an overload or short circuit may BURN OUT the plugged in appliances or even cause FIRES.

                                   Hardware Features-



100-240V~, 50/60Hz, 10.0A 


100-240V~, 50/60Hz, 10.0A maximum load

Port 2 x AC sockets

1 x On/Off button

Press and hold for 5 seconds to initiate factory reset process

LED     1 x Status LED
Waterproof IP64
Dimensions (W x D x H)     15.1 x 8.0 x 5.0 cm or 5.9 x 3.1 x 2.0 in. (excluding power cord)

Power Cord

28.5 cm or 11.2 in.


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 Enterprise WiFi.




Certifications                    CE, RoHS, WEEE
Package Contents 1 x Smart WiFi indoor/outdoor plug

1 x User manual

System Requirements Smartphone running iOS 9* or higher, Android 4.1 or higher

Existing WiFi network

*HomeKit version requires iOS 13.0 or higher.


Operating Temperature: -10°C~40°C (14°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





                                                  1. How many smart home devices can the Meross app control?

                                                  2. Can my Meross smart home devices be controlled by multiple phones?

                                                  3Do Meross smart home devices retain the selected settings if it encounters a power outage?

                                                  4Will the Schedule and Auto off feature still take effect if the Internet is down?

                                                  6What should I do if my smart home device time doesn't match the real time?

                                                  7How do I control Smart Devices by Amazon Echo/Dot/Tap with voice commands?

                                                  8How do I connect my Meross devices to Amazon Alexa?

                                                  9Why I didn't find my device on "Select a Device Page" in Meross app?

                                                  10Do my Meross smart devices support Campus, Hotel, Airport or Shopping Mall WiFi Hotspots?

                                                  11How do I connect my Meross devices to Google Assistant?

                                                  13After been successfully used for a while, my Amazon Alexa or Google Assistant is unable to control Meross devices.

                                                  14How to make my Meross devices work with IFTTT?

                                                  15. Do Meross devices work with my Fritz!Box?

                                                  41. How to make my Meross devices work with SmartThings app?