Fuhjythy 4CH Wifi Switch Smart Remote Control Switch Inching Self-Locking RF433 4 Way Relay 4CH WIFI Smart Switch Relay Module

[APP Remote Control]Use the App to control your device on and off from anywhere with your phone. [RF433mhz Control]The device can be controlled by the RF433mhz Remote Controller.(Learning Code) [Voice Control]You could voice control the device by / Assistant. [Smart Linkage] Intelligent linkage with other smart devices [Timing function]Lying in bed without turning off the lights fell asleep, it does not matter, the wall switch timing function to the point of turning off the lights, from the lights off do not worry about.