TLR-3® With C4 LED, COMPACT RAIL MOUNTED TACTICAL LIGHT •C4® LED delivers 4,100 candela peak beam intensity; 90 lumens. 2-3 times brighter than high-flux LEDs. •Parabolic reflector produces a concentrated beam with optimum peripheral illumination. •Optimized electronics provide regulated intensity. •Runs 1.5 continuous hrs. to the 10% output level •Weighs 2.32 ounces (65.8 grams) with included battery •Length – 2.71 in. (6.88 cm) •Includes 5 interchangeable keys to fit a wide variety of weapons •Rail clamp designed to rapidly attach/detach from side of weapon. •Ambidextrous momentary/steady On-Off switch •Body constructed of impact resistant polymer •Limited lifetime warranty