PEAK PKC0J1 Programmable Heater Defroster Defrosts windows in your car on cold winter days, or can be used as a fan on hot days The programmable feature allows for car windows to defrost and internal air to be heated before you get in The Attached, adjustable stand directs the air stream where you need it most Charges via AC or DC chargers for convenient use in most any motor vehicle Cordless feature permits the unit to be used where electricity is unavailable; take it with you to your tent or cabin