Features 1、High precise temperature control, more comfortable, two different types of heating versions, suitable for valves actuator and gases boiler. 2、1.8-inch TN backlit display design, the backlight of the display can be turned off automatically, and the digital display remains clear after the backlight is turned off. 3、Weekly programmable, 5+2/6+1/7 days per week, 6-time slots on weekdays, 2-time slots on rest days, supports different temperature settings and runs on time. 4、It uses high-precise temperature sensors and relays to provide highly accurate temperature measurement and temperature control effects. You can monitor the temperature data in real-time, and you can query the historical temperature. Two temperature control modes are available, automatic mode and manual mode. 5、Remote controlled by cellphone APP, SmartLife / Tuya APP remotely control. 6、Compatible with Alexa and Home for free voice control of your connected devices for added convenience. 7、Frost protecting, when the temperature reaches a low temperature in the system, the anti-frost function will automatically turn on for a short period of time so that the water pipes from freezing or expanding. 8、Child lock locking function, designed to prevents children from misuse. 9、Group control function, to realize group control of different rooms in special scenarios. 10、Family sharing function, to build an intelligent home with your family members. 11、Powered by two 1.5V batteries, no need to install with separate AC power adapter, which greatly expands the usage scenarios. Specification This ZigBee intelligent temperature controller has a 1.8-inch TN backlit display, it uses high-precise temperature sensors and relays to provide high-accurate temperature measurement and temperature control effects. Weekly programmable, 5+2/6+1/7 days per week, 6-time slots on weekdays, 2-time slots on rest days, supports different temperature settings and runs on time. Remotely control via mobilephone SmartLife and Tuya APP. Compatible with Alexa and Home for free voice control of your connected devices for added convenience. Features: High precise temperature control, more comfortable, two different types of heating versions, suitable for valves actuator and gases boiler. 1.8-inch TN backlit display design, the backlight of the display can be turned off automatically, and the digital display remains clear after the backlight is turned off. Weekly programmable, 5+2/6+1/7 days per week, 6-time slots on weekdays, 2-time slots on rest days, supports different temperature settings and runs on time. It uses high-precise temperature sensors and relays to provide highly accurate temperature measurement and temperature control effects. You can monitor the temperature data in real-time, and you can query the historical temperature. Two temperature control modes are available, automatic mode and manual mode. Remote controlled by cellphone APP, SmartLife / Tuya APP remotely control. Compatible with Alexa and Home for free voice control of your connected devices for added convenience. Frost protecting, when the temperature reaches a low temperature in the system, the anti-frost function will automatically turn on for a short period of time so that the water pipes from freezing or expanding. Child lock locking function, designed to prevents children from misuse. Group control function, to realize group control of different rooms in special scenarios. Family sharing function, to build an intelligent home with your family members. Powered by two 1.5V batteries, no need to install with separate AC power adapter, which greatly expands the usage scenarios. Specifications: Name: Temperature Controller Material: PC Battery: 2 * 1.5V AA battery (not included) Temperature setting: 5-95℃ Temperature difference: 0.5-10℃ Factory setting: 1℃ Ambient temperature: 5-95℃ Setting temperature accuracy: 0.5℃ Protecting grade: IP20 Item size: 86 * 90 * 21mm / 3.39 * 3.54 * 0.83in Package size: 100 * 95 * 65mm / 3.94 * 3.74 * 2.56in Package weight: 233g / 8.22ounce Packing List: 1 * Temperature Controller Package List 1 * Temperature Controller