Zigbee Smart Radiator Thermostat Compatible with Alexa Google Hoom Window Opening Detection Frost Protection FunctionFeatures:Best Smart Home AccessoriesSmartly adjust the room temperature as you need, you can control it from your phone before you go home. Outstanding image quality. Create thermostat groups for centralized control and support for device sharing.MultifunctionalThe smart radiator thermostatic valve has a variety of convenient functions, including window detection function, antifreeze function, child lock function, etc.Save up to 30% on heating billsTemperature will drop 6 within 4 minutes to detect window opening and the valve will close automatically.Easy InstallationThe radiator thermostat is easy to install and can be done without draining the heating water or disturbing the heating system. It can be installed horizontally or vertically. It runs very quietly and won't disturb your sleep at all.Remote & Voice ControlControl your heating anytime, anywhere with Tuya Smart Life App. After linking your app account to your Amazon or Google account, you can use Amazon Alexa or Google home for smart home integration and voice control.Convenient ControlProgrammable/manual mode switching, adjustable in 6 periods per day.Precise Temperature Management1 accuracy keeps the temperature at the level you set.Note: This radiator thermostat must be used with a wireless ZigBee gateway, otherwise the radiator thermostat will not work. The gateway needs to be purchased separately, this product does not contain a gatewaySpecifications:Material: PVCColor: whiteTemperature sensor: NTCTemperature accuracy: 1Display range: 0-60Temperature setting: 5-60Applicable temperature: 0-50Frequency: 2.4GStandard installation size: M30*1.5mmPower supply: 2 * AA batteries (NOT INCLUDED)Item Size: 95.77 * 55.0mm / 3.8 * 2.2inPackage Size: 10.3 * 7.5 * 6.0cm / 4.1 * 3.0 * 2.4inPackage Weight: 80g / 2.8ozPackage list:1 * ZigBee Thermostatic Radiator Valve1 * set of installation accessories1 * User Manual (English)