More Functions [ZigBee Smart Thermostat]Sensitive buttons with 1.8-inch LCD screen, classic design, suitable for all [Battery Powered]No need to install a separate AC power supply, easy to install. APP Remote Control]Support 2.4G WIFI, support Smart Life/Tuya APP, even if you are not , you can adjust the temperature as you like. [Voice Control]Voice control, one call, can be easily controlled by and Google Home, Yandex . [Three modes available]Manual mode/Auto mode/Temporary mode Weekly Programmable5+2/6+1/ a week, 6 periods on weekdays and 2 periods on , allowing you to set up a personalized heating schedule according to your daily routine and living habits. Adjustable backlight brightness The backlight can be switched off automatically, and the digital display remains clear after the backlight is switched off. It saves battery power and avoids disturbing your sleep. [Anti-Freeze Function]When the measured temperature is lower than 5 and the gas water heater is not turned on for a long time, the thermostat will be turned on automatically, and it will be turned off automatically when it is higher than 7 to prevent the water pipes from freezing and rupturing. Child lock Activate this function to prevent the temperature from being incorrectly changed. [Memory function]Save the data in real time, don't worry about power failure, automatically restore the data when power on Group Control Function Realize the group control function of different rooms in special scenarios. Family Sharing Function Sare the device to your family and create a smart home together with them. Specification Power supply: 2x 1.5 V alkaline AA batteries (not included) Temp. setting range: 5~95 Temp.Dif:0.5-10, Factory setting 1 Ambient temperature:-5~50 Setting temp. accuracy: 0.5 Protection level: IP20 color: White Material: PC Package Contents: 1 x thermostat 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.