Smart Radiator Valve Smart Thermostat Valve Mobile APP Control Radiator Controller for Zigbee Feature: 1. Widely used: can be connected with other devices via wireless internet. Suitable for temperature control of heating and air conditioner in residential, shopping malls and hotels.2. Powerful Features: This valve comes with a compatible connector and is an intelligent assistant for living temperature control. It has holiday mode and rest mode and supports individual temperature settings.3. Mobile App Control: You can set the working time of this velve for Smart Life App yourself. The mini design is easy to operate, convenient to display and save space4. Weekly Programmable Schedule: Our thermostat valve supports 5 and 2 six period weekly programming, 6 and 1 six period weekly programming, seven day and six period programming.5. Voice Control: Our thermostat valve supports voice control function. Use simple voice commands to control the thermostat when your hands are not free. Specification: Item type: thermostat valve Material: ABS Weight: approx. 195g/6.88oz Size: 5.6x5.6x7.5cm/2.20x2.20x2.95in Operating voltage: 2xAA batteries (not included) Control accuracy: 0.5 Temperature sensor: NTC (10k) 1% Ambient temperature during operation: 0-50 deg; cDefault setting temperature range: 5-35 deg; cDisplay temperature range: 1-70 deg; cMaximum Pitch: 4.5mm/0.18inch Thread Specification: M30 x 1.5mm Package List: 1 x Controller 1 x User Manual 1 x RA Adapter 1 x RAVL Adapter 1 x RAV Adapter 1 x Screw 1 x Nut 2 x Interface Valve How to use: 1. Loosen the connector thread.2. Insert it into the valve.3. Tighten and rotate the temperature control button on the controller.