The ProTac HL 5-X is a high-output tactical flashlight delivering up to 3,500 lumens for maximum brightness. This dual-fuel system can be powered by either four included CR123A disposable batteries or two proprietary Streamlight SL-B26 USB rechargeable battery packs. Measuring 9.53 inches, the aluminum body features a 2.35-inch head and a rubber sleeve for enhanced grip. It offers three user-selectable programs and four output levels ranging from 250 to 3,500 lumens, with a beam reach of up to 452 meters. Fully waterproof and shock-resistant, the light features a glass lens and a tactical push-button switch for momentary, constant, and strobe modes. A lanyard is included for added security.