The Streamlight TLR-6 is an ultra-compact tactical weapon light designed to securely attach to the trigger guard of Glock 42 and 43 pistols. This light allows for the identification of potential threats before taking action and features an ambidextrous push-button switch for easy operation. Batteries can be replaced while the light remains mounted on the gun to maintain its position. Black Polymer construction, ambidextrous, OAL 2.20, Weight 1.12 oz, Impact Resistant, modes Constant On / Momentary. Includes two CR1/3N lithium batteries. It features a 10-minute auto shut-off to maximize battery life and provides a 1-hour run time with an 89-meter beam range.