The BCT500-X is a stand alone battery powered strobe light with a rechargeable battery, tripod, and wall plug charger. It includes a 9 amp hour battery and will run approximately 24 hours between charges. The battery is contained in a powder painted black steel box attached to the tripod/pole and includes a hinged lid. The strobe is a single flash 12V strobe light. The BCT500-X can extend from 42" up to 70".