Feature 1.Countdown Button Touch the Countdown Button, setting switches to work without wifi (30,60,90,120minutes). 2.Energy Monitoring View energy reports to properly track energy usage around your home. Know which devices consume the most energy and make plans to save on energy and electricity bills. 3.APP remote control Control the switch anytime, anywhere through the smart life/Tuya APP. 4.Voice Control Can work with Amazon Echo and Google Home. Name: Wifi Touch Boiler Switch WiFi standard: 2.4GHZ 802.11b/g/n Material: ABS flame retardant Panel material: Tempered Glass With Energy Monitoring: Yes Screen Countdown Timer: Yes Rated current: 20A Maximum load: 4400W Standard: US Standard Input voltage: AC110 ~ 240V, 50 / 60hz Product size: 120 x 72x 35mm (US) Control Mode: APP/Manual APP: Tuya Smart/Smart Life Vocie Control: Alexa/Google Home Timing Turn on and off the connected device at the specified time. 3 kinds of restart status default on or off, or memory status. Child lock function Avoid children's operation and protect children's safety. History You can view the history of the switch. Family Sharing Function Create a smart home with your family. color: White Material: abs Package Contents: 1 x water heater switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.