One of the three rules of firearm safety is to know your target, and a firearm mounted light can help you identify your target even in the dead of night. It is also great tool for the law enforcement officer who is outside in the bright sun and has to chase a suspect into a dark building, or who has to search a dark alley.
This Streamlight TLR-1s mounts under the barrel on most pistols and provides a constant-on, intermittent on or strobe, which is designed to temporarily blind or disorient a bad actor.
The ultra-bright C4 LED light beam provides over 160 lumens with optimum peripheral illumination and has a run time in excess of 2.5 hours. The light itself is designed to be very durable and is made of lightweight machined aluminum. it uses O-rings and is waterproof up to 1 meter.
The TLR-1s attaches and detaches quickly and easily with no tools and can be mounted without putting your hand in front of the muzzle. The light ships with interchangeable mounting keys that allow it to fit a variety of weapons, as well as the industry standard 1013 picatinny rails.
Weighs just 4.18 oz.