JETBeam RRT-0 XM-L Cree LED Flashlight, Grey Lumen Output: RCR123A 500/CR123A 220/AA 220/.005 Runtime: .3/1.5/3.75/100hrs (determined by battery type) Beam Distance: 150m w/RCR123A Battery Type: 1CR1234/1*RCR123A/1*AA w/extender (included) Forward Clicky/Rotator ring; 83g IPX8; Waterproof