Klarus XT20 2 x 18650 / 4 x (R)CR123A CREE XM-L2 U2 1550 Lumen LED FlashlightThe new Klarus XT20 is a super bright tactical flashlight that has two heads to produce a wider, more intense beam than single head flashlights. Each head contains a high power CREE XM L2 U2 LED, which allows the XT20 to emit 1550 lumens with two 18650 batteries. This makes it the brightest 2 x 18650 flashlight in the world, when compared to other flashlights of it's size. Features Two flashlight heads, each containing a powerful CREE XM L L2 (U2) LED