Sonoff 4-Gang Wi-Fi Smart Switch with 3 Working Modes White

4CHR3 4-gang Wi-Fi Smart Switch & 4CHPROR3 4-gang Wi-Fi Smart Switch with RF Control. Compared with 4CHPROR2, you can access self-locking, interlock, and inching modes on APP directly. Allow you to turn on or off 4 connected lights independently. One channel controls one work status, enabling 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 the fan speed to the desired gear via your smartphone. Dont want to stiffly fumble in the dark for the way? Enable inching mode to set an on schedule for your corridor light, and it will automatically turn off after reaching the preset time. Compatible with Alexa and Google Home. Wanna turn off the light immediately? Just tell it to do. Compatible with Alexa and Google Home. Wanna turn off the light immediately? Just tell it to do. The durable flame-retardant PC shell provides maximum safety for connected devices in use.