AIMSHOT™ KT6832 RIFLE RED LASER SIGHT •632nM wavelength •Peak 5mW power output •Constructed of 6061 T6 aircraft aluminum •Matte black finish •Water-resistant •5 year limited warranty •KT6832: Battery: One CR123 3V lithium. Battery Life: 18 hours continuous. Includes KT6832 laser MT61167 rail mountm on/off tail cap rail mounted pressure switch and battery