Sonoff 4CHPROR3 electrical switch Smart switch White

Quick to Access 3 Working Modes<br>Compared with 4CHPROR2, you can access self-locking, interlock and inching mode on APP directly<br><br>Run 4 Devices Separately — Self-locking Mode<br>Allow you to turn on or off 4 connected lights independently<br><br>Automate More Devices — Interlock Mode<br>One channel controls one work status, enable interlock to turn on 1 channel and turn off other channels simultaneously<br><br>Keeps On for A While, Then Turns Off Automatically — Inching Mode<br>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<br><br>Voice Controls Your Home<br>Compatible with Alexa and Google Home. Wanna turn off the light immediately? Just tell it to do<br><br>Security Comes Before Everything<br>The durable flame-retardant PC shell provides the maximum safety for connected devices in useSonoff 4CHPROR3. Type: Smart switch, Connectivity technology: Wireless, Radio frequency: 2483 MHz. AC input voltage: 120 — 240 V, AC input frequency: 50 — 60 Hz. Width: 145 mm, Depth: 90 mm, Height: 34 mm