Vector Optics Meteor 200 Lumens Pistol Flashlight 200 Lumens, Compact, Full Metal Build-in QD Mount, Q2 LED w/ Battery Output / Brightness 180-200 lumens Bulb CREE Q5 LED Voltage 3.0V Runtime about 1.5-2 hours Color Titanium black Weight(net) 90g (3.2 ounce, exclusive of batteries) Overall Length 79mm (3.1 inch) Head Dia. 28mm (1.1 inch) Mount base length 53mm (2.1 inch) High quality aluminum alloy in durable black matte finish Quick release picatinny mount base that fits most pistols w/ bottom rail. It can NOT fit compact pistol. Set including: 1pcs of 3.0V CR123 Lithium battery. Fine Box