The Honeywell Home X1N Thermostat Non-Programmable 1 Heat/1 Cool 2-Pack (OB) is a digital thermostat that operates on a single stage heating and cooling system. It features a white rectangular design and is powered by AA batteries. This thermostat pack includes mounting hardware for easy installation, and it is compatible with various brands and models. With a voltage of 24V and low voltage compatibility, this thermostat is a versatile and reliable option for home improvement projects related to heating, cooling, and air systems.