The compact Surefire G2X Pro Dual-Output LED Flashlight uses a high-efficiency LED that is virtually immune to failure since it does not have a filament to burn out or break. The Nitrolon polymer body is sculpted for a smooth, comfortable and secure grip and is tough enough to resist scratches, abrasion and corrosion. U.S.A. Overall Length (in.): 5 1/4, Bulb Type: LED, Bulbs (qty.): 1, Light Output (Lumens): 200 / 15, Full Load Run Time (Hours): 2, Battery Included: Yes, Battery Type: CR123A