Features: *Anti-freeze function: This controller is designed with an anti-freeze function. If the water and gas-boiler is not turned on for a long time, the thermostat will automatically turn on in a short time. *Apps and manual controls: You can use manual touch control, or wirelessly control connected devices via the apps if you are not hot enough to use manual touch. *Adjustable backlight brightness: This temperature controller has a digital display, and the backlight brightness can be adjusted or turned off to avoid disturbing sleep. *Weekly programmable: 5+2/6+1/7 days per week, 6 periods on working days, 2 periods on rest days, supports different temperature designs and operates as planned. *Battery powered, no AC-installation required: This controller is powered by 3*AA batteries (not included), no separate AC-power required, easy to install. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Size: 86*86*28mm Power supply method: 3*AA batteries (not included) APPs: Smart Life/Tuya-Smart Temperature sensor: NTCs Temperature accuracy: ±1 DegreeC Upper and lower temperature limits: 15 DegreeC~95 DegreeC Own power consumption: Load current: 3A (resistive) Protection level: IP20 Package List: 1 x Thermostat