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 switch