One handed snap-on and tighten interface keeps hands away from muzzle when attaching/detaching Extensively live-fire tested impact resistant construciton Includes rail locating keys for mounting to a variety of rails and lithium batteries Tethered battery door and latch mechanism prevents battery door loss while providing easy battery replacement The high lumen, rail-mounted TLR-1 HPL produces a wide, 775 lumen beam pattern with brighter peripheral illumination and superior down-range performance.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }