No wiring location reserved for domestic renovation? No technique to take 220V strength delivery when installing?This battery powered thermostat could be your perfect choice!AdvantageUpgraded thermostat, battery powered No exterior energy supply, no receiver required, 2 in 1 battery powered thermostat Industrial-grade production criteria for smarter security Ultra-low power consumption, up to 1 year existence time (based on rti-tek lab data) Simple installation, no use of electrician to put in instantly Large temperature leadership range: 5~95°C Advantages of Zigbee thermostatFast response time and mushy controlMore Functions【ZigBee Smart Thermostat】Sensitive buttons with 1 LCD screen, basic design, compatible for all home styles【Battery Powered】No should set up a separate AC power supply, clear to install.【Precise temperature control, extra comfortable】 temperature hysteresis: 0~10℃. Temperature management range: 5~95°C, temperature calibration: -9~9°CAPP Remote Control】Support 2 WIFI, assist Smart Life/Tuya APP, even though you aren't at home, you would alter the temperature as you like.【Voice Control】Voice control, one call, could be smoothly controlled by way of Amazon Alexa and Google Home, Yandex Alice modes available】Manual mode/Auto mode/Temporary modeWeekly Programmable5+2/6+1/7 days a week, 6 durations on weekdays and about a periods on days off, allowing you to set up a customised heating agenda in protecting together with your on every day foundation routine and dwelling behavior backlight brightness The backlight could be switched off automatically, and the digital exhibit remains clean after the backlight is switched off. It saves battery power and avoids nerve-racking your sleep Function】When the measured temperature is less than 5℃ and the gas water heater isn't grew to become on for a protracted time, the thermostat can be turned on automatically, and it's going to probably be became off routinely when it is greater than 7℃ to forestall the water pipes from freezing and rupturing lock Activate this operate to forestall the temperature from being incorrectly changed function】Save the information in genuine time, don&;t fear about power failure, automatically fix the information when strength onGroup Control Function Realise the crowd leadership operate of other rooms in particular scenarios Sharing Function Share the device on your kin and create a smart domestic along with them supply:2x 1 V alkaline AA batteriesTemp. environment range:5~95℃Temp:0℃, Factory surroundings 1℃Ambient temperature:-5~50℃Setting temp. accuracy:0℃Protection level: IP20Shell material:Anti-Flammable PC