SUREFIRE, FL, FURY W'INTELLIBEAM TECHNOLOGY, DUAL FUEL, 1 x 18650/2 x 123A, INTELLIBEAM/HIGH 1500 LU, WH LED, ALUM BLACK TYPE III ANO, CLICKThe searchlight with a brain Adjusts to ambient light level faster than the human eye Automatically and seamlessly shift from 15 to 1,500 lumens, and everywhere in between Dual Fuelcan run on the included SF18650B rechargeable battery or two 123A lithium primary batteries Be The Brightest In The Class. The Fury IntelliBeam is in a class by itself, a versatile pocket searchlight that can adapt to meet your lighting needs on the fly. It takes the 1,500