The White-Rodgers 1F72-151 Programmable Thermostat is a wall-mounted device compatible with Heat Pump systems. It features a 1.5-inch digital display, 5+2 day programmability, and a low battery indicator. The thermostat has a curved edge design with a white plastic casing and is hardwired powered with backup AAA batteries. It has  2 heat stage and 1 cool stage, with system switching between heat, cool, and off modes. The manufacturer offers a 5-year warranty.