Klarus XT30 Long-Distance Illuminator XM-L U2 Cree LED Flashlight, Grey Lumen Output: 820 Lumens/310 Lumens/10 Lumens Runtime:1.8hrs/5.5hrs/180hrs Beam Distance: 360m Battery Type:4*CR123A/2*18650 Dual-Button Tail Switch/273g/IPX-8 Waterproof