The BRAEBURN #2000 5-2 Day Digital Thermostat is a programmable single stage heat/cool system that operates on batteries. It features a digital display, 5 programmable periods per day, and low voltage protection. Designed for wall mounting, this thermostat is compatible with certain Braeburn Builder models and is suitable for use with heat pumps. With a 5-inch display and a sleek rectangular shape, this thermostat offers efficient temperature control for your home.