The Honeywell Home CT51N1007 Heat/Cool Manual Non-Programmable Thermostat is a white, rectangular-shaped thermostat designed for use with central furnace, central heating radiator, and space heater systems. It is corded electric with a low voltage of 24 V and features a 4-wire wire configuration. This thermostat includes sensor technology for temperature control and has a control style of analog/mechanical. With a focus on heat and cool system switching, this non-programmable thermostat from Honeywell is a reliable choice for HVAC control in any home.