Features 1、[WiFi Smart Thermostat]Ultra thin wall mounted body and buttons design, easy to install and simple to use. Compatible with 86 * 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. 2、[Smartphone APP Remote Control]Remotely control your home temperature to attain advanced comfort via smartphone APP(for 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. 3、[Smart Home System Voice Control]Compatible with Home/ 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. 4、[Manual Mode and Programming Mode]The 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. 5、[Family Sharing]Device share to your family members to control your house temperature via smartphone APP together. All can enjoy the advanced comfort of the temperature. Specification Specifications: Shell Material: PC + ABS APP: for Smartlife Sensor: 3950, 10K Accuracy: ±1℃ Set Temp. Range: 5-35℃ Room Temp. Range: 5-99℃ Display Temp. Range: 5-99℃ Ambient Temp.: 0-45℃ Ambient Humidity: 5-95% RH(Non Condensing) Storage Temp:0 to 45℃ Power Consumption: <1.5W Installation Box: 86 * 86mm Square or European 60mm Round Box Item Size: 8.6 * 8.6/ 3.4 * 3.4in Item Weight: 160g/ 5.6oz Package List 1 * Thermostat 2 * Screws 1 * Users Manual(English)