This lightweight rail-mounted light, constructed of an impact-resistant polymer, is designed to fit compact and sub-compact handguns. It also fits most full-sized handguns with rails on the market. Now shining brighter at 170 lumens! White LED delivers 170 lumens; 3,300 candela peak beam intensity Runs 1.5 continuous hours to the 10% output level Textured parabolic reflector produces a concentrated beam with optimum peripheral illumination; optimized electronics provide regulated intensity Compact - Weighs 2.32 ounces (65.8 grams) with included battery; 2.71 in. (6.88 cm) lo Mfg: Streamlight SPECS: Reinforced polymer body and anodized aluminum lens assembly, black. 2A 3/4" (7cm) long, 1-1/8" (2.9cm) wide, 1A 1/2" (3.8cm) high from top of rail clamp to bottom of housing. 2.4 oz. (67g) weight with battery. Fits MIL-STD 1913 Picatinny rail, and includes five