Sonoff WiFi Smart Switch 4CHPROR3

Quick to Access 3 Working Modes
Compared with 4CHPROR2, you can access self-locking, interlock and inching mode on APP directly

Run 4 Devices Separately - Self-locking Mode
Allow you to turn on or off 4 connected lights independently

Automate More Devices - Interlock Mode
One channel controls one work status, enable interlock to turn on 1 channel and turn off other channels simultaneously

Keeps On for A While, Then Turns Off Automatically - Inching Mode
Don’t want to stiffly fumble in the dark for the way? Enable inching mode to set a “on” schedule for your corridor light, and it will automatically turn off after reaching the preset time

Voice Controls Your Home
Compatible with Alexa and Google Home. Wanna turn off the light immediately? Just tell it to do

Security Comes Before Everything
The durable flame-retardant PC shell provides the maximum safety for connected devices in use