Please be kindly noted，the listed product is produced and distributed abroad and subject to the laws of its country of origin。    Features:  Automatic mode, manual mode and holiday mode can be switched freely to meet different requirements.  Eco temperature setting and comfortable temperature setting are switchable for simple and user-friendly operation.  Support one ZigBee gateway hub (NOT included) to control maximum 50 valves in living room, bedroom, bathroom, study and kitchen.  A whole linkage to other ZigBee 3.0 devices with one wireless hub (NOT included), which can use with sockets, temperature controllers, light switches, valves and so on.  You can customize the time and setting of the device in Smart Life APP(for free).  The child lock function can lock the device to avoid changing the settings due to accidental operation.  Stop heating mode can help turn off the heating device, effectively saving energy and prolonging the battery life.  An excellent assistant to control temperature for your smart life, which compatible with Google Assistant and Amazon Alexa.  Widely applicable to the temperature control of heating system in houses, shopping malls, hotels, etc.    Specifications:  Type: Type 1 / Type 2 (Optional)  Material: ABS  Power Supply: 2 * 1.5V AA battery (NOT included)  Thread Size: M30*1.5mm (compatible with RAVL/RAV/RA valve)  Package Weight: 230g / 8.11oz  Package Size: 18 * 6.5 * 6.5cm / 7.09 * 2.56 * 2.56in    Packing List:  1 * Temperature Controller  3 * Adapter  1 * User Manual (English)