APP/Voice Control: Smart Life/Tuya App works with for and for Home from anywhere, anytime. 4 modes available: Manual Mode/Program Mode/Temporary Program Mode/Away from Home. Weekly Programmable Mode: 5+2/6+1/73 weekday modes available, 6 time periods/weekdays, 2 time periods/weekends. Deeply customize room temperature and enjoy a smart/comfortable and energy-saving lifestyle. Screen backlight brightness is adjustable: The backlight can be adjusted in 3 levels or turned off to provide you with a comfortable sleeping environment Accurate temperature setting temperature monitoring display and hysteresis Voltage: 100-240V AC, 50-60Hz Temperature error: ±1℃ Protection level: IP20 Power supply: Less than 1.5W Sensor: NTC3950, 10K Normal working humidity: 5-95%RH (no condensation) Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Specification:A:Wall-Mounted Boiler 3A Color: White Material: ABS Package Contents: 1 x Thermostat Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.