SureFire MasterFire X400 Weapon Light Black. SureFire constructed these Pistol Weapon Lights with a TIR lens that extends the beam's reach up to 225m and improves peripheral illumination. The SureFire X400V White/IR LED Illuminator Weapon Light w/ IR Laser is designed for the toughest conditions featuring waterproof sealing virtually-indestructible LEDs an impact-resistant window and recoil-proof screws that ensure the laser holds zero. Mount this versatile SureFire X400V Weaponlight to brighten your surroundings and enhance your vision while using night vision devices. Specifications for SureFire MasterFire X400 Weapon Light: Manufacturer: SureFire Light Output: 350 lumens Battery Type: 123A Beam Color: White/Infrared Color: Black Gun Model: Universal Diameter: 1.25 in Length: 4 in Weight: 4.8 oz Battery Life: 2.5 hours Weather Resistance: Water Resistant Finish: Anodized Battery Quantity: 2 Condition: New Gun Type: Pistol Features of SureFire Masterfire X400 Vampire 6V White/Infrared LEDs 350 Lumens: Virtually indestructible infrared and white-light LEDs regulated to maximize output and runtime TIR lens shapes focused high-intensity beam with significant reach and ample surround light for peripheral vision Features integral commercially available infrared laser sight