STREAMLIGHT TLR-2 LIGHT/LASER RAIL MOUNT 3-WATT LED W/LASERSTREAMLIGHT TLR 2 LIGHT LASERRAIL MOUNT 3 WATT LED W LASERFEATURES: With Integrated red aiming laser, this intensely bright, virtually indestructible rail mounted tactical light, attaches to almost any gun in seconds C4 LED technology, impervious to shock with a 50,000 hour lifetime 300 Lumens; 438 meter beam distance; 12,000 candela peak beam intensity; runs 2. 5 hours Laser ONLY runs 48 hours Mounts directly to all MIL STD 1913 (Picatinny) rails &