The Streamlight TLR-4 is an ultra-lightweight weapon-mounted tactical light featuring an integrated red aiming laser. Designed to fit compact and sub-compact handguns, it uses C4 LED technology to deliver 170 lumens and a 115-meter range. The unit provides 1.5 hours of runtime in dual light/laser mode and up to 15 hours in laser-only mode. Black Polymer construction, ambidextrous, OAL 2.73, Width 1.20, Height 1.99, Weight 2.81 oz, Water Resistant, modes include LED/Laser combo. This model includes a CR2 lithium battery and rail locating keys for quick attachment to Picatinny rails. Its Borofloat glass lens and rugged build ensure reliable performance in tactical environments.