Crimson Trace Red LED 1000/500/250/100/5 Lumens Weapon Walking RailLight 16340 Li-On Rechargeable Battery Lithium Ion Red/White/Black 1911 Pic. Made of Aerospace Aluminum with no exposed fasteners in a snag-free design you will be hard pressed to find a better option. Our downward-facing Red LED Walking Light will allow maneuvering without affecting your vision at night if needed. The Red LED Walking Light is independently enabled/disabled at the users discretion and is activated using CT Motion shake to wake functionality. Specifications for Crimson Trace 1000 lumens Red LED Weapon Walking RailLight: Manufacturer: Crimson Trace Light Output: 1000 lumens Bulb Type: LED Battery Type: 16340 Lithium Ion Beam Color: Red/White Color: Black Gun Model: Universal Gun Make: Glock Weather Resistance: Water Resistant Finish: Black Battery Quantity: 1 Condition: New Gun Type: Pistol Fabric/Material: Aerospace Aluminum Attachment Type: Picatinny Package Contents: Crimson Trace Red LED Weapon Walking RailLight Crimson Trace 0101690: Red LED Weapon Walking RailLight1911 Pic Rails/Glock 16340 Li-On Rechargeable Battery Red/White 1000/500/250/100/5 Lumens Black