This 12 volt heater and fan combo is perfect for making your vehicle comfortable while on the road. Use this cab fan to defrost your windows or warm up the cab. The detachable rotating base allows you to adjust the position to where you need it and the 6 foot cord with 12-volt plug and folding handle allows for convenient mobile use. Includes an extra 15 Amp blade fuse and mounting screws as well as a self-adhesive mounting pad. This portable unit helps defog windows and easily plugs into your cigarette lighter socket.