The powerful SureFire X300 Ultra WeaponLight is virtually indestructible. Designed for handguns, yet effective for use on long guns, this light mounts securely to any MIL-STD 1913 rail.Featuring a high-performance LED that generates 1,000 lumens of stunning white light focused by a Total Internal Reflection (TIR) lens. The highly efficient, virtually failure-proof LED generates tactical-level light ideal for close to long-range target identification.Activate the X300 Ultra via intuitive, ambidextrous switches, now wider and shorter for improved ergonomics. Simply press the switch on either side for momentary-on activation or flip up or down for constant-on activation. Optional DG grip switches (for handguns) and pressure-activated XT tape switches (for long guns) permit the X300 Ultra to be activated remotely.The body and mounting system are constructed from high-strength aerospace aluminum, MIL-SPEC hardcoat anodized for superior toughness. O-ring and gasket sealed to keep out dust and moisture.Features: High-performance LED TIR lens Picatinny rail mount O-ring and gasket sealed High-strength aerospace aluminum MIL-SPEC anodizing Coated, tempered window Accepts optional DG pistol grip and XT remote long gun tape switches Powered by (2) CR123A batteries Length: 3.60" Bezel diameter: 1.125" Weight: 4 ozModes: White Light Constant-on - 1,000 lumens - 1.25 hours