Electronic. Same look, feel, and footprint as the traditional round but slightly taller. Easy-to-install and use. Classic round styling. Precise temperature control. Decorative cover ring included to hide wall marks. Works with most single stage, hot water, gas, or steam heating systems. Off white. No. CT87K1004/E1: Settings: Heat Only, Color: Off White No. CT87N1001/E1: Settings: Heat or Cool, Color: Off White
