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2 modes:Energy Saving Mode: Saves cash on heating in winterComfort Mode: Constant heating, closer to the human body&;s temperature Functions:【Precision Motor】Upgraded motor, 5S stroke, zero noise operation【Super Battery Life】Our 3 batteries + low calories consumption chip can final as much as 3 months, whereas 2 batteries for sale will soon run out of power【Super Compatibility】Compared to dull TRV, it comes with 6 varied models of adapters, adapt to 97% of the market heater valve interface;OLED display would be adjusted in 4 directions, can be put in without restrictions【APP Remote Control】APP helps more complete functions than the manual adjustment of the device, obtain Smart Life/Tuya Smart, whatever the place you are, you possibly can wirelessly control the radiator in the house via your phone/tablet.【Programmable Weekly Schedule】Support handbook environment of the weekly schedule, you might set the temperature and time for 4 intervals in line with day【Accurate Temperature Control】Temperature size accuracy of 0℃, adjustable change deviation of 0℃, adjustable upper and reduce temperature surroundings limits【Voice Control】Compatible with Yandex Alice, Amazon Alexa and Google Home for a more useful experience【Sensitive Monitoring】The mechanical device intelligently identifies whether or no longer the window is open or not, and as quickly as the cold air is detected, the valve will routinely close for 1/2 an hour【Group Function】Can organization management with valves in different rooms to attain organization leadership operate for special scenes【Anti-Scaling Function】Execute recurring descaling at 12:00 each Monday to guard the valve from corrosion. Grow valve life, descaling will reveal demonstrate "CAL".【Low Battery Reminder】Low battery thoughtful reminder to bypass shutting down the machine straight because the battery is dead.【Brightness Adjustment】Adjustable three grades of brightness, can adapt to numerous environments. Technical Specifications:Power supply: 3*1 AA alkaline batteries (not included)Current consumption: 100mA maxProtection class:IP20Display accuracy:0°CSwitching deviation:0°CTemperature calibration:-10~10℃Operating ambient temperature:0~50°CDefault temperature adjustment range:5~35°CSurface temperature: 90°C max (heater surface)Linear travel: 4 size: M30x1 (W x H x D): fifty eight x 97mm x fifty eight Package list:1 x Radiator thermostatic valve1 x Instructions6 x Adapter