Streamlight Tactical and Safety related lights, headlamps, and accessories have become a staple of law enforcement officials and civilians in recent years. Streamlight's ability to provide high quality products at an exceptional value has been an attractive draw. The company founded in 1973 is committed to not rest on their success and they continue to push the envelope developing more powerful and more innovative designs. This commitment along with excellent customer service has set Streamlight apart from the competition. Specifications and Features: Streamlight 88083 ProTac 2L-X USB Tactical Flashlight High Mode 500 Lumen Super Bright White Light, 6,800 Candela, 165m Beam Low Mode 40 Lumen, 600 Candela, 49m Beam Strobe for Signaling/Disorienting Ten-Tap Programming 3 Modes Mode 1: High/Strobe/Low Mode 2: High Only Mode 3: LoWith High Multi-Fuel Compatible: Streamlight Lithium ION Batteries (PN 18650)/(2) CR123A Lithium Ion Batteries Battery Life is dependant on battery/mode High 3.25 hours with 18650 Batteries/ 2.75 hours with CR123A Low 30 hours with 18650 Batteries/30 hours with CR123A Strobe 4.5 hours with 18650 Batteries/3.25 hours with CR123A IPX8 Waterproof to 2m 2m Impact Resistance Tested Gasket Sealed Glass Lens Anti-Roll Head Removable Multi-Position Pocket Clip Durable Anodized Machined Aircraft Aluminum Construction Overall Length 5.14" Overall Weight 3.9oz with CR123A Batteries/4.4oz with 18650 Batteries Matte Black Finish Includes: ProTac HL 2L-X Flashlight StreamLight 18650 USB Battery USB Cord Nylon Holster Box Packaging