[Smart Control]Zigbee thermostatic radiator valve has all the smart functions, including APP remote control, voice control, set schedule, group control, etc. [Open Window Detection]Automatically turns off the radiator when ventilating, helping to avoid unnecessary energy waste. [Zigbee 3.0 Standard Compatible]Supports Zigbee using the Zigbee 3.0 protocol, and theoretically supports adding to any Zigbee hub developed in accordance with Zigbee 3.0 protocols. Such as NSPanel Pro, ZB Bridge Pro, and ZBDongle-E. [Compatible with Most Heating Manufacturers]Fits existing 'M30 x 1.5mm' radiator valves, and the valve adapters in the package are compatible with most heating systems and manufacturers. [Complete Functional]Child lock prevents children from mishandling the radiator. Frost protection makes sure pipes don't freeze and burst, keeping your home safe.<br><br>Material: ABS colour: White<br><br>Package Contents: 1 x Thermostatic Radiator Valve<br><br>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.