This Honeywell CT87K1004 manual thermostat is perfect for heat-only systems and features a round, non-programmable design. The thermostat is made of durable plastic and comes in a classic white color that will blend seamlessly with any home decor. It is wall-mounted and has a 2-wire wire configuration, making it easy to install. The Honeywell CT87K1004 is compatible with space heaters and has a mechanical control style. It features a temperature sensor technology and a low voltage voltage type. This thermostat is designed for use with wall-mounted heating systems and is a great choice for anyone in need of a reliable and easy-to-use thermostat.