FOURSEVENS Quark AA/ Pro QPA Black Finish / Cool White LED; 1XAA; 109 Lumens
The Quark series offers a staggering array of options, accessories and interchangeability. With a wide range of LED, battery and clip choices, you get the features you want without compromise. Available in a Pro multi-mode interface or a Tactical interface with programmable primary and secondary outputs, these lights can be used in a wide variety of settings and applications. Waterproof and constructed with aircraft-grade aluminum and impact-resistant lenses, Quark lights are tough enough to meet any challenge.