ThruNite Lynx LED Flashlight with Cree XM-L2 U2 LED -Most Powerful Tactical Flashlight Hunting Flashlight - 1 x 18650 Battery Included World brightest LED flashlight with single 18650 battery - ThruNite Lynx, up to 1000 lumens, is a high-end intelligent tactical flashlight. Lynx is the first LED flashlight basing on Buck-Boost design that results in constant brightness output regardless of battery type, LED model, temperature and voltage change. 25.4mm body and reliable tail-switch design can easily meet the use of law enforcement, search & rescue, hunt and tactical. The first tactical flashlight basing on Buck-Boost circuit which can provided constant brightness output regardless battery types, LED modes, temperature and voltage change. Utilizing the newest Cree XM-L2 LED supporting the high lumen output High efficiency driver circuit provides maximum 1000lm output & 310 meters beam. And intelligent temperature controlled light output for user safty Accessories Included: O-ring(3 pcs), lanyard, holster, diffuser, user manual, warranty card, 1x 2600mAh 18650 battery