The Acebeam L19 long range hunting flashlight can throw a max long beam level of as much as 1300 meters (4265feet) white or 1520 meters (4,986.8feet) green. Specially designed for tactical and hunting employment, this high power long range hunting flashlight is with features as easy-access tail-switches, crenelated strike bezels, and weapon-mounting capabilities. As a compact and farthest thrower, it has a max output of 1650lumens (white) or 2200lumens (green) and powered by a single 21700 rechargeable battery. The Acebeam 21700 battery with USB-C rechargeable port is an great option for L19 to save you one more charger's cost. Delivered reliable, powerful lighting for a long range of situations, it is perfect for tactical use, hunting use, outdoor use, professional use, security, & law enforcement.