Trust The Gold Standard In WeaponLights. Popular with law enforcement and military operators around the world, the Rail-LockA(R) version our best-selling WeaponLight now delivers a stunning 1,000 lumens of LED-generated output. Focused by a precision TIR lens, it creates a far-reaching high-intensity beam with a larger center spot plus surround light, an extremely effective combination for close- to medium-range engagements. You can count on the X300U-A to help you positively identify threats at significant distances while temporarily impairing your adversary's vision. It also provides extensive peripheral illumination for maintaining situational awareness. Ambidextrous switching provides one-finger control of momentary-on or constant-on activation. Its rugged, aerospace aluminum body is Mil-Spec hard anodized for scratch and corrosion resistance and sealed to make it weatherproof. It's also IPX7 waterproof to 1 meter for 30 minutes.The X300U-A delivers a standard of excellence you can trust. Features: Recoil-proof high-performance LED producres 1,000 lumens Custom TIR lens creates smooth, far-reaching light with a larger center spot beam that is ideal for close to medium-range engagements Integral ambidextrous momentary- and constant-on switching provides easy instant activation Attaches securely to both Universal and Picatinny accessory rails IPX7 waterproof to 1 meter for 30 minutes High-strength aerospace aluminum body is Mil-Spec hard anodized for extreme durability Accepts optional pressure-activated DG and XT remote switches for precision control without altering grip on weapon Recoil-proof high-performance LED produces 1,000 lumens Custom TIR lens creates smooth, far-reaching light with a larger center spot beam that is ideal for close- to medium-range engagements Integral ambidextrous momentary- and constant-on switching provides easy instant activation Attaches securely to both Universal and Picatinny accessory rails IPX7 waterproof to 1 meter for 30 minutes High-strength aerospace aluminum body is Mil-Spec hard anodized for extreme durability Accepts optional pressure-activated DG and XT remote switches for precision control without altering grip on weapon Key Attributes High Output: 1,000 Lumens High Runtime: 1.25 Hours Peak Beam Intensity: 11,300 Candela Batteries: 2- 123A Lightium (Included) Switching: Ambidextrous Push/Toggle Length: 3.76" Output High Output: 1,000 Lumens High Runtime: 1.25 Hours Distance: 213 Meters Body Construction: Aluminum Finish: Mil-Spec Hard Anodized Weight w/ Batteries: 4.0oz Bezel Diameter: 1.125" Liquid Ingress Protection: IPX7