The TCP radiator valves allow you to control your home heating from anywhere, and you can even set the temperature in each room individually. Quick to set up, fit the device and connect to your Wi-Fi and play through the TCP Smart App. You can control your heating from anywhere with your smart device or set automatic times, schedules and location-based temperature controls(5˚ - 35˚ C). Protects your heating system from freezing when absent for long periods (5˚ - 15˚C). The valve connects to Amazon Alexa and Google Home through your Wi-Fi and the TCP Smart Hub(Smart hub required, sold separately). It works with iOS and Android via the TCP Smart App. Consistent room temperature controlled manually on the Radiator Valve (5˚ - 35˚ C). The radiator valve is battery powered. It requires a Wi-Fi network(2.4GHz), iOS 9.3 or higher or Android 4.4 or higher. It features LCD Display Temperature Control, three-mode control, and child lock function. The dimensions of the radiator valve are 57 x 57 x 89mm. You can download the app by clicking the below: App Store Google Play Store Please check Google Play and App Store for device compatibility. Please note: These links are provided for your information and convenience only and are owned by third parties not affiliated with wilko. App Store is a trademark of Apple, Inc. and Google Play is a trademark of Google, LLC.