The Dremec 8G820V40581 is a compact, flush-mounted remote control system for heating and cooling systems. It features a modern, touch-sensitive interface and includes three operation modes: cooling, fan, and heating. The unit comes with a power supply cord and wall mountable mounting plate. It can be used to directly control the operation of the attached heating and cooling equipment, or used as a zonal or setback controller with compatible systems. The controller also features adjustable temperature settings, a timer and quick-cool/warm-up buttons, a temperature hold button, night setback control, and a fan speed setting.