The Honeywell Home CT87K is a white, round non-programmable thermostat designed for heat-only systems. It is powered with a low voltage of 24V, suitable for wall-mounted installation. The thermostat features adjustable temperature settings and is compatible with most brands, including Honeywell. With a three-setting heat stage and programmability for non-programmable use, this thermostat is a reliable choice for home heating systems.