HIGHLIGHT【Powered By Battery】-Do now not desire establish separate AC power, clean to install.【Three Modes Are Optional】-Manual mode / Program mode / Temporary Program mode【Weekly Programmable】-5+2/6+1/7 days a week, 6 time slots on weekdays, 2 time slots on rest days, assist varied temperature environment and run in schedule.【Backlight Brightness Adjustable】-Backlight could be modify and turn off, to bypass traumatic sleep【Precise Temperature Control, More Comfortable】-Temperature hysteresis:0~10℃/Minimum temperature setting:0℃/Upper and decrease limits of temperature:15~95℃【Temperature Calibration】-Display room temperature could be calibrate from 9°C to-9°C【Anti-frost function】-If the Water Gas Boiler isn't grew to become on for a long time, the thermostat will routinely activate for a brief time【Group-Control Function】-Realize group control in different room in special scene SPECIFICATION--Temperature sensor:NTC--Temperature precision:±1°C--Self-consumed:<170uW--Voltage:three1 batteries--Load current:3A(negative)--Protection grade:IP20