[Weekly Programmable]--5+2/6+1/7 can be programmed week, 6 time periods can be set on weekdays, and 2 time periods with different temperatures can be set on weekends.[Simple mode switching operation]---Press "M" key to switch between automatic and manual mode. In automatic mode, press the up and down to manually control the temperature, and the thermostat returns to automatic mode at the programmed time period.[Precise temperature setting, detection display and hysteresis]---Accuracy reaches 0.5, 0.1 and 0.5, precisely control your room temperature.[Child lock function]---The child lock function prevents children from operating it. Make your home is smart and safe.Temperature sensor: NTCTemperature accuracy: 1Display: LCDWorking temperature: -5-50 power consumption: Less than 1WTemperature setting range: 5-60Temperature display range: 0-51Voltage: AC 95-220V 50/60HzSize: 86 x 86 x 13mm(front)+27mm(rear)Electrical Safety Standard: GB14536.1-2008Model Number:ZWT100Zigbee:Tuya Zigbee 3.0APP:Tuya Smart lifeVoice Control:Yandex ,,Google homeType: B: 3A Water Gas Boilecolor:Black+whiteMaterial:plasticPackage Contents:1 x thermostatOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.