Long story in short, it's a 5V wifi inching/selflock relay module by SONOFF
Just like a standard SONOFF switch, you can use it to work with eWelink app, Amazon Alexa, Google Home, IFTTT..etc
The 5VDC input, nano size and dry-contact output makes it different from traditional SONOFF product, there are two working modes for the product: inching mode and self-locking mode. users can switch these two modes on eWeLink app.when the module is switched to the self-locking mode, users can turn on/off the connected appliance instantly. when the module is switched to the inching mode, users can press the ON/OFF toggle button to turn on or off connected devices
The product enables remote control of home appliances through the mobile application eWeLink, available on both Android and iOS. Supported functions include:
Remote turn on/off
Timing Schedules
Device Sharing
Group Management
Works with Amazon Echo, Echo Dot, Amazon Tap
Works with Google Home, Google Nest
Works with IFTTT
Product Type : 5V Wi-Fi Inching/Selflock Relay Module
Power Supply : 5V DC
Output Contact Type : Dry contact
Max Current : 10A
Humidity : 5%-90%RH, Non-condensing
Operating Temperature : 0ºC-40ºC
Nano size L : 34.5*25*19mm
Works With : Amazon Alexa, Google Assistant, Samsung Smarthings
