Cools to 20oC to 25oC (below ambient temperature) ; warms to 65oC. Hot/cold switch, on/off switch Power consumption 48watts Equipped with long life brush-less motor Convenient plugs into any 12V cigarette lighter in car, boat or plug into safe AC adapter indoors. Detachable power cord. Optional: DC power cord for in car use or AC power adapter for home use.