Wholesale: We support wholesale,please contact us if you need to import with mass quantity Features: Material: Aluminum Length: 105mm Rail Type: 20mm Weaver rail Color: Black / Tan Max Output -- White light:500 lumens 3w Tactical Runtime:2.5 hours Bazel Diameter: 1.10 inches(28mm) Batteries type:Two pieces 3V CR123A (not included) Emitter type: CREE R5 Marker version Specifications: Virtually indestructible white-light LED head is regulated to maximize light output and runtime. Features quick-detach Rail-Lock system for rapid and secure attachment/detachment. Accepts optional DG pistol grip and long gun forend switches. Weatherproof—O-ring and gasket sealed. Construction—High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated tempered window. Switch: Act.