App control Voice control Room-by-room heating control Building on the iconic design of the Drayton TRVs. The Wiser Radiator Thermostat maintains the simplistic style and builds on years of success as a leading TRV manufacturer with a host of additional features. Radiator thermostats enable your Wiser system to enter a whole new level of smart. With a connection to the boiler, via the Heat HubR, they allow you to control the on/off times and temperatures of individual rooms using the intuitive app. Features Suitable for indoor use Yes ZigBee Yes Operating frequency 2400 MHz Wireless connection Yes Storage temperature (T-T) -10 - 55 °C Operating temperature (T-T) 0 - 45 °C International Protection (IP) code IP30 Product colour White Smart thermostat Yes Weight & dimensions Height 93 mm Diameter 5.1 cm Packaging content Number of products included 3 pc(s) leaflet manual pdf