Fully remote controllable boiler thermostat Works as part of the Lightwave RF home automation system Allows each room to be individually controlled for temperature when Lightwave RF radiator valves are fitted Simply replaces your existing boiler thermostat Control via your Smartphone or the web wherever you are The Lightwave RF Connect Wall Thermostat is designed to work alongside the Lightwave RF Radiator Valve. It provides a convenient way to control & manage independently one or several radiators in the home without the disruption & cost of installing purpose built zoned heating. You can set individual temperatures timers cut off temperatures or even switch the radiator on or off if a window is opened or closed using a Lightwave RF Window Switch.brbr Please note This feature requires the optional Lightwave RF Wi-Fi Link Order Code N55LL.br