The Saswell SAS816WHB-0-RF Wireless Hot Water Underfloor Heating Room Thermostat is a modern and efficient control system for your home heating needs. This white, square-shaped thermostat is wall-mounted and operates on a corded electric power source, with a convenient battery size of AA. The thermostat features temperature sensor technology, a dial and digital control style, and system switching for heat-off functionality. With its programmability and non-programmable settings, this thermostat from SASWELL offers a flexible and energy-saving solution for maintaining a comfortable living space.