Specifications Product Name EWelink APP WiFi Smart ValveValve Sizes DN15 DN20 DN25Control Methods Wireless Control via Alexa Google Assistant andAliceMaterial Copper body with stainless steel actuatorOperating Temperature 5 75°C 41 167°FPressure Rating 1 6mpaConnectivity WiFiFeatures 1 Whole House Safety Control Monitor and control the water and gas supply throughout your home to prevent burst pipes flooding gas leaks and fires 2 Remote Control Use the EWelink app to open and close the valve remotely ensuring effective control even when away from home 3 Voice Control Compatibility Integrate with Alexa Google Assistant andAlice for hands free operation adding convenience to your smart home setup 4 Automatic Leak Detection In case of water or gas leakage the smart valve can automatically detect and shut off the supply immediately to prevent damage 5 Wide Application Ideal for home gas supply kitchen water pipe supply automatic irrigation of farmland and farm water supply management Package Include 1 x EWelink APP WiFi Smart Valve