Starter Pack The starter pack includes a Zigbee thermostat and a Zigbee hub. The hub is an Internet bridge to connect Zigbee Thermostatic Valve to the WiFi network, allowing you to control the thermostat via Smart Life App, Alexa or Google Assistant. More zigbee Thermostatic Head can be added to the Starter Pack for more heating control of radiators in a single application. You can connect more Tuya Zigbee devices and Tuya Bluetooth devices to the hub.Flexible Control Adjust the temperature to Zigbee WiFi Thermostatic Valve itself by turning the knob, via the app, or by voice control via Alexa/Google Assistant. Via Smart Life App, you can monitor the status, change settings, create a schedule, create a group, create a smart scene or share the device with your family to control together, etc. Even if the WiFi is offline, the thermostat will work as programmed. 2.4 GHz Wi-Fi required.Energy saving Choose auto mode (4 periods can be set for each day of the week) or manual mode to heat your home to the right temperature only when necessary with heating program to save energy and cost on your energy bill. Open Window Detection allows Thermostatic Head to automatically pause heating to avoid wasting energy when a door or window is opened.Compatibility With a simple enough installation to do it yourself, this connected thermostatic radiator head fits all M30 x 1.5mm valves directly or with plastic adapters for Danfoss RA valve, Caleffi valve and Giacomini valve. Not suitable for M28 valves. Featuring a simple and user-friendly interface, Zigbee WiFi Radiator Thermostat Valve keeps your home at the right temperature, helping you get more comfort and efficiency in your home.More Functions This smart electronic radiator thermostat valve, it has more functions, including low battery warning, temperature calibration, child safety, anti-limescale function, antifreeze function, etc. Package includes: 1 x Zigbee radiator thermostat, 1 x Tuya Zigbee gateway, 1 x USB cable, 3 x adapters (for Danfoss RA, Caleffi and Giacomini), 2 x 1.5V AA alkaline batteries, 1 x manual.