Specifications and Features: - 1.90L x 1.46H x 1.31W - Weight: 2.4 oz (including CR2 3v lithium battery included) - Construction: 6061 aircraft grade hard-anodized aluminum front and rear covers in high strength Zytel polymer - User Adjustable: Easy to use windage and elevation adjustments - Battery Life: 60 min of constant taclight runtime 60 min of strobelight runtime - Light Output: 100 lumens continuous 140 lumens strobe mode - Activation and Modes: Ambidextrous activation and easy custom operating modes for strobe rate and light output - Universal Mounting System: Three modular rail sets included with unit allows quick mounting to virtually all railed handguns including sub-compacts and rifles - It’s the smallest strongest weapon light you can get for your pistol or rife. And a brilliant advantage on your side