1Support voice control, for Google Home, for IFTTT, for Tmall Genie, for Xiaodu audio. 2Low power consumption, AC100V240V(50/60Hz) 16A(maximum), and through the FCC, CE, ROHS certification, reliable to use. 3IEEE 802.11 b/g/n WLAN standard, can work in most home electric environment. 4Touch switch, smartphone APP remote control, realtime notification alert. 5With timing setting function, you can set the on and off time of the water heater switch through the APP. Item Type: Smart Boiler Switch Material: Tempered glass+PC Purpose: Residence, apartment, hotel Voltage: 100-240V 50/60HZ Standard: US Standard Working Current: 16A Wiring Mode: Zero line fire line Maximum Power: 3000W Mounting Hole Diameter: Approx. 60mm/2.4in Communication Mode: WIFI 2.4GHz Support Voice Control: ForGoogle Home, for IFTTT, for Tmall Genie, for Xiaodu Audio Support APP: For Tuya , for smart lifeStart Method: Touch control, voice control, mobile app control 1 x Switch 2 xScrew 1 x Manual