Whether you commute to work or school on the freeway, drive for a living, or just like to go on an occasional recreational trip, the Whistler DE-1788 Wireless Battery-Powered Radar/Laser Detector is an invaluable addition to your motor vehicle. Designed with an internal battery pack and equipped with four rechargeable nickel metal hydride (NiMH) AA batteries, the DE-1788 gives you the option of packing away the power cord included with purchase so that you can go wireless. DE-1788 radar detector, windshield bracket, straight power cord, 4 AA NiMH rechargeable batteries, home plug-in battery charger, and owner's manual.