The Streamlight ProTac HL USB is a versatile tactical light offering three output levels: 1,000 lumens on high, 380 lumens on medium, and 65 lumens on low. It can charge from USB sources and features multi-fuel versatility, accepting rechargeable Li-Ion battery packs or CR123A disposable cells. The aluminum housing features Type II Military Spec anodizing for extreme durability. Black Anodized Aluminum construction, OAL 6.50, Head Diameter 1.23, Weight 7.20 oz, Water Resistant, modes Constant / Momentary / Strobe. Includes a 120V AC/12V DC charging cord, pocket clip, and holster. It provides a 219-meter range on high and up to 23 hours of runtime on the low setting.