Description: 1.It is easy for you to install it: Unscrew the adapter and put in to the valve, then tighten the adapter, and rotate the temperature control body onto the adapter. 2.Multiple modes available: boost mode, comfortable mode, vacation mode, automatic mode, manual mode, energy-saving mode for you to choose. 3.With the low power alarm function, when electricity is running out, it will remind you, so you do not need to worry about sudden depletion of electricity interferes the using. 4.Automatic mode: you can choose the working method from 5+2, 6+1, 7 days and 6 periods. After the selection, press the button to enter the time setting of the first period of the working day, then once again, press the button to set the temperature for the rest and finish setting. 5.After connect with the APP by the ZigBee gateway, you can adjust the temperature through your phone, which is intelligent and convenient. Specifications: 1. Used for radiator valve 2.Power.2*2 AA* 1.5V alkaline batteries(not inclede) 3. Display accuracy:0.5 4. Probe sensor. NTC(10k)1% 5. Range of temperature display:0~70 6.Running program: Set per 1 week as a cycle 7. Set point range:535 8. Max. travel:4.5mm 9. Thread size:M30*1.5 10.Max. current:90mA 11. Size:66*52*82+20mm Package Included: 1 * Radiator Thermostat 1 * RA Adapter 1 * RAV Adapter 1 * RAVL Adapter 1*Instruction Notes: This product needs to be used with tuya ZigBee gateway