The RS 4000 is a Super Bright 3 CREE XHP50.2 50 Watt LED spotlight powered by rechargeable Lithium batteries. It includes dual-function DC 12-24V car charger/adapter (output: DC 9V IA) with heavy-gauge 3m(10ft) coil cord and 5 A fuse tube, which operates from a DC receptacle for charging battery in SPOtlight or continuous corded operation at 30% brightness Specifications: Super Bright 3 CREE XHP50.2 50 Watt LED Tri-Mode illumination: High/ Low/ S.O.S. Powered by rechargeable Lithium batteries (7.4V 2600mAh) Auto brightness reduction after 5 minutes Included 120cm Micro USB cord Includes dual function DC 12-24V car charger/adapter (output: DC 9V IA) with heavy-gauge 3m(10ft) coil cord and 5 A fuse tube, which operates from a DC receptacle for charging battery in SPOtlight or continuous corded operation at 30% brightness Floatable Housing Shatterproof aluminum head PC Tail cap glows in the dark