SME Rail Mounted Pistol Weapon Light. CREE R5 LED 250 Lumens High-intensity output and STROBE mode Rugged body precision CNC machined from aircraft-grade aluminum Tool-free spring clamp lock for easy mount to pistol bottom rail IPx4 Water Resistant 1x CR123 Battery Runtime: 75 minutes Specifications for SME Rail Mounted Pistol Weapon Light 250 Lumens: Manufacturer: SME Light Output: 250 lumens Bulb Type: Cree R5 LED Battery Type: CR123 Color: Black Gun Model: Universal Weather Resistance: Water Resistant Gun Type: Pistol Package Contents: SME Rail Mounted Pistol Weapon Light 250 Lumens SME SME-WL: Rail Mounted Pistol Weapon Light