Streamlight TLR-2S Tactical Weapon Light w/ Integrated Red Laser - This intensely bright, virtually indestructible, strobing rail-mounted tactical light, attaches to almost any gun in seconds. Integrated red aiming laser for long-range targeting. User-programmable strobe; 300 lumens; 2.5-hour run time; 12,000 candela peak beam intensity; Laser mode runs 48 hours; Rail grip clamp system securely attaches/detaches quickly and safely with no tools and without putting your hands in front of the muzzle; Includes keys for GLOCK-style rails, MIL-STD-1913 (Picatinny) rails, Beretta 90two, Smith & Wesson SW99, Smith & Wesson TSW, and SIG SAUER P320 rails; 6000 Series machined aircraft aluminum Ambidextrous momentary/constant on operation. Double tap paddle within 0.4 seconds to activate strobe.; Highly accurate sight repeat-ability when remounting; IPX4-rated design for water-resistant operation; 4.72 oz (133.8 grams);