The Honeywell Home Pro Series Thermostat is a brand new, wall-mounted unit with a sleek square design and a 4-inch display. It is powered by a 24V corded electric and battery backup, featuring push-button and digital control style. The thermostat is programmable with 7-day programming, has 1 heat and 1 cool stage, and is compatible with universal systems. With its anti-island protection and chemical-resistant properties, this thermostat is a reliable choice for maintaining optimal indoor temperatures.