The Streamlight TLR-2 is a compact, lightweight gun-mounted tactical light featuring a 300-lumen C4 LED and an integrated red aiming laser (650-660nm). Constructed from rugged black anodized aluminum, this 4.72-ounce unit is water-resistant and features a tethered battery door for easy field replacement. It delivers at least 2.5 hours of continuous runtime in dual light/laser mode and up to 48 hours total, powered by two included CR123A batteries. The ambidextrous toggle switch supports constant and strobe modes, while the rapid-attach rail clamp ensures safe installation on Glock-style and Picatinny rails. This professional-grade system includes mounting hardware, rail keys, and an integrated infrared illuminator.