Surefire X300U-B

FEATURES: X300U-B Virtually indestructible LED regulated to maximize output and runtime Tactical-level output with TIR lens for close- to longer-range applications Submersible to 22 meters Construction—High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated tempered window Includes high-energy 123A batteries with 10-year shelf life Thumbscrew clamp attachment SPECIFICATIONS: Max Output: 1000 lumens Tactical Runtime: 1.25 hours Length: 3.6 inches Bezel Diameter: 1.0 inches Weight w/Batteries: 4 ounces Batteries: 2x 123A