Description: -- Power supply: 95~240V AC, 50~60HZ -- Load current: 5A (gas boiler),16A (electric heating) . NTC sensor -- Accuracy: 0.5or 1 --Set Temperature Range: 5~35 --Display temperature range: 5~99 . Environment Tempetature:0~45 -- Ambient humidity: -5 ~ 95% RH (non-condensing) -- Storage temperature: -5~45 -- Power Consumption:1.5W -- Timing error:1% -- Shell Material: PC ABS (Flame Retardant) -- Protection class: IP20 -- Buttons: capacitive touch buttons Specifications: APP ControlSmart thermostat that can be controlled by your phone from anywhere before you come home. Voice ControlCompatible with Amazon Echo, Google Home, Tmall Genie, IFTTT. For example, you can say, ""Alexa, set the bedroom to 25 degrees."" Accurate TemperatureInternal floor sensor, perceptive room temperature and floor temperature. 0.5accuracy keeps the temperature within the set level. Weekly ProgrammableThe thermostat supports different temperature settings accordingly with 6 daily time modes. Group Control & Smart ScannerCreate a group of thermostat for centralized control. There is no limit to add thermostats and support Smart Scene. Easy OperationTouch screen with backlight is easy to read even in the dark. Ul easy interface, conventional operation creates a convenient life. Synchronized LayoutAll setting languages sync your time zone, address and language. Memory FunctionNo need to worry about power failure, data memory when the Package Included: 1* Thermostat switch 1*User Manual 1*Connecting wir