The Honeywell Home X2P Programmable Thermostat is a single-stage heating and cooling system that operates on a 24V low voltage power supply. It is designed for use with furnaces and comes with mounting hardware included. The rectangular-shaped thermostat is programmable and features manual control. With a sleek white design and compact dimensions of 3.43 inches in height and 1.17 inches in depth, this thermostat is a convenient and efficient choice for controlling the temperature in your home.