SONOFF 4CH PRO R3 4-gang Wi-Fi Smart Switch with RF Control 4 Way Home Automation Switch Module Compatible with Alexa Google Home

[3 Working Modes] You can access self-locking, interlock and inching mode on APP directly. [Run 4 Devices Separately] Allow you to turn on or off 4 connected lights independently. [Automate More Devices] One channel controls one work status, enable interlock to turn on 1 channel and turn off other channels simultaneously. [Automatically Turns Off] 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.