VURTU's self-regulated smart radiator valves control the flow of hot water into an individual radiator, to manage heating room by room. Compatible with any type of heating system and with the ability to adjust and programme from a smartphone or tablet via the app, a warm cosy room will always be waiting for you. Features: Intelligent processing of temperature changes.Easy manual operation or full remote access with Free iOS / Android App.Day / Week Settings for complete control The processor recognises when dramatically changes, i.e a window is opened. The Valve will automatically shut the radiator off the save energy and costs Open Window Mode detects a reduction in room temperature by 2 degrees within 5 minutes, the valve will shut the radiator off to conserve energy and reduce heating costs Boost function for heating up the radiator quickly and briefly Anti Frost Mode is set at 7 degrees to prevent freezing of pipes Tested and Certified BS EN 442 Standard ISO9001:2008 Registered Man