1、APP CONTROL: Smart relay switch is easy to operate and use, can be controlled using your smartphone via for Tuya and for Smart Life APP without the need for a separate hub. 2、REMOTE CONTROL: Smart relay WiFi switch, can be remotely controlled via wifi, and with timer and voice control function, full control of connected appliances. 3、FLAMMABLE RETARDANT MATERIAL: The shell of this smart WiFi switch is made of premium PC flame retardant material, which effectively ensures the safety of use for a long time. 4、VOICE CONTROL: Smart WiFi switch module supports voice control, compatible with intelligent assistant, more convenient operation, release your hands and realize smart home management. 5、EASY TO INSTALL: This smart relay has a compact design, does not take up space, easy to install, will not affect your original decoration style, stable and anti interference.