The Siemens RDH10RF Digital Room Thermostat is a versatile and efficient device suitable for any room, whether for heating or cooling. With a sleek white rectangular design, it is wall-mounted or surface-mounted for easy access. This programmable thermostat offers a variety of control styles, including dial, rotary knob, and digital, with a 1.5-inch display for easy monitoring. The thermostat features wireless connectivity, digital display, battery backup, and adjustable temperature settings for maximum comfort and energy savings. Ideal for central heating radiators, this thermostat from Siemens is a reliable choice for any home. The thermostat is brand New the other bit looks used iv put batteries in to test the thermostat all working