The Honeywell Home DT92E wireless digital room thermostat is designed for automatic temperature control of gas or oil-fired heating systems, including underfloor heating, electric heating, zoning systems, and boilers. It can be used with the evohome system or as a standalone component in an existing system. This thermostat features TPI (Time Proportional Integral) control for energy efficiency, volt-free connections suitable for combination boilers or heating zones, and an ECO button for an energy-saving mode. It offers a wireless range of up to 30 meters with two-way wireless communication. The product is white in colour. Weight: 0.9038952742 Pounds. MPN: DT92E1000.