Tuya ZigBee 3 Gang Remote You May Need, ZigBee Remote for the Module Main Features -Your WiFi Router must Be 2.4Ghz- After install this module into the wall box, your original wall manual switch still can work.- Manual switch work- Mobile App remote control- Google home and Amazon echo alexa voice control Your Original Wall Switch Still Works - The module works with the wall manual switch, so after you install the module in the switch box, the original mechanical switch still works.- App remote control, voice control , wall switch works. Countdown Timing Function It has countdown/scheduled/loop timers to control home appliance on/off automatically. And you can set timer schedules to maintain an easy life. Create Group in the app You can create group as you like, then you can manage your devices more efficient. Control your lights anywhere App remote control your lights anywhere with your phone network. Family Settings You can add family members in the APP and manage all the smart devices in your living room, bedroom, dining room, kitchen, study room, kids room, etc. Ultra thin compact design Dimensions: 46mm*46mm*18mm, can fit most EU wall box 1 Way Control(works with the wall switch) 2 Way Control Specifications Input Voltage: 100-250VAC, 50/60HzOutput Voltage: 100-250VAC, 50/60HzMax. Load: 16ADimensions: 46mm*46mm*18mmApp Name: Smart Life or TuyaWireless Protocol: ZigBee 3.0Works with toggle (forth and back) wall switch We have all the accessories you need in the box, you don't need to pay extra cost. What's in the box? 1* ZigBee Smart Module1 * Screwdriver1 * Double-sided tape2 * Cables for Wiring1 * User Guide