SureFire's G2X LED illumination tools share many features, such as virtually indestructible high-efficiency LED emitters, 600 lumens of maximum output, precision reflectors, and sleek Nitrolon polymer bodies. Their differences let you select the ideal light for your needs. The G2X Tactical provides a single output level a brilliant, penetrating 600-lumen beam. It features a lightweight, high-strength Nitrolon polymer body that's comfortable to hold in cold weather. The G2X Tactical comes with a press/click tail cap switchFeatures :Virtually indestructible LED emitterBrilliant tactical-level max outputPrecision reflectorTough, lightweight Nitrolon polymer body