Klarus XT2C XM-L U2 Cree LED Flashlight, Grey Lumen Output: 580 Lumens/165 Lumens/4 Lumens Runtime:1.8hrs/7.3hrs/170hrs Beam Distance:156m Battery Type:2*CR123A/1*18650/2*16340 Dual-Button Tail Switch/75g/IPX-8 Waterproof