It measures 3-5/8 Inch x 5-1/2 Inch x 1-1/8 Inch. It has current rating of 2 Amps. It operates at frequency rating of 50/60 Hz. 

Single speed heat pumps offers auxiliary heat. It is a dual fuel device. It is easy to install and customize. It is ideally designed for 24-VAC heating and cooling systems. Thermostat is UL listed.