This Honeywell CT31A1003 thermostat is perfect for controlling your home's heating and cooling systems. It is compatible with both corded electric and battery power sources, making it versatile and easy to use. The 2-wire wire configuration and 24V voltage make installation a breeze. The thermostat features a 4-inch display size, with a dial, digital, and analog/mechanical control style. It has one heat stage and one cool stage, with low voltage protection and programmable thermostat features. The thermostat is white in color and made of plastic, with fingerprint and scratch resistance properties. It is compatible with Honeywell and most universal brands and models.