Features: WiFi Smart ThermostatUltra-thin wall-mounted body and buttons design, easy to install and simple to use. Compatible with 86 x 86mm square or European 60mm round installation box. With TFT screen to show information of weather, outdoor humidity, temperature, clock, etc., and 3 colors ambient light increase color to your life. Smartphone APP Remote ControlRemotely control your home temperature to attain advanced comfort via smartphone APP(Smartlife) , and you can remotely adjust the temperature or lock the thermostat anytime anywhere, no matter you are at home, in your office or on the way home. Smart Home System Voice ControlCompatible with Google Home or Alexa. With this smart thermostat, you can set the most comfortable temperature for your house by giving a voice command to the smart home system, Which helps a lot when your hands are busy. Manual Mode andamp Programming ModeThe smart thermostat for home supports manual mode and programming mode. You can set week program on mobile APP easily. A separate schedule can be set for weekdays(Monday to Friday) and for weekends(Saturday or Sunday), very user-friendly. Family SharingDevice share to your family members to control your house temperature via smartphone APP together. All can enjoy the advanced comfort of the temperature. Specifications: Color: Black or Silver or Champagne or White(optional) Type: Water heating 5A or Electric floor heating 16A or Water or gas boiler 5A(optional) Shell Material: PC and ABS APP: Smartlife Power Supply: AC90-240V 50-60Hz or 24V DC or AC 50-60Hz Sensor: NTC3950, 10K Accuracy: andplusmn 1 Set Temp. Range: 5-35 Room Temp. Range: 5-99 Display Temp. Range: 5-99 Ambient Temp.: 0-45 Ambient Humidity: 5-95 percent RH(Non Condensing) Storage Temp.:-10 to 45 Power Consumption: andlt 1.5W Installation Box: 86 x 86mm Square or European 60mm Round Box Item Size: 8.6 x 8.6 or 3.4 x 3.4in Item Weight: 160g or 5.6oz Packing List: 1 x Thermostat 2 x Screws 1 x Users Manual(English)