Drayton Smart Room Thermostat WN704R0S0901 Black. This connected thermostat offers app control and voice control for smarter heating. It is battery powered and can be positioned anywhere using its handy table stand or wall clip, requiring no wires or installation. The large multi color screen and capacitive touch buttons provide ease of use and an iconic design. It is compatible with various heating types including water based radiators, underfloor heating, and electrical heaters. Control your heating from your smartphone using the Wiser Heat app (iOS and Android). The thermostat is compatible with Google Assistant and Alexa for hands free control. Expand your system by adding additional room thermostats, radiator thermostats (up to 32 radiators in 16 rooms), or smart plugs (up to 10) for zoned heating control. Gain insights into your energy usage with the Insights feature in the Wiser Home app, allowing you to track hourly activity and energy savings. The system works with the HubR, which connects wirelessly or via existing thermostat wires. This allows the thermostat to communicate temperature changes to the HubR for precise heating control, either switching on or off or modulating. This device is remotely operated and functions as a Smart Digital thermostat. Its product color is Black and it operates on a Wi-Fi frequency of 2.4 GHz, suitable for room environments. The display is a TFT with backlight. Power is supplied by AA batteries (1.5 V). Dimensions are Height 76 mm, Depth 25 mm, Width 76 mm.