Sonoff 4CHR3 electrical switch Smart switch White

Make Your Dumb Home into Smart with Your DIY Idea 4CHR3 4-gang Wi-Fi Smart Switch & 4CHPROR3 4-gang Wi-Fi Smart Switch with RF Control 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 Tap one channel to pull your blinds/garage door up and another to pull it down without getting off to close it manually.Tap the corresponding channel to easily switch fan speed to the desired gear via your smartphone. 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 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