SpecificationBasic Data Material: 6061-T6 Aluminum,MIL-SPEC Type III Hard Anodized Weight: 6.7oz. Bezel Diameter: 1.10 in. Mount: Picatinny Weaver Rail MountFunction Data Bulb: Cree R5 Output: White Light: 500 lumens 3W Power: 2x CR123A Battery(Not Included in Package) Battery Life: 1.5 hoursFunction-Switch Table:1. White Light 2. IR LightHead Switch Rear Switch Function WH OnWhite Light IROnIR LightPackage 1x Flashlight 1x QD Pad(1 on the flashlignt, total 2 pieces) 1x Allen Wrench