EdisonBright Bundle: Olight PL1 II Valkyrie 450 lumen LED weapon mounted light with 2 X Olight CR123 lithium batteries and battery carry case 450 lumens output and a beam distance of 106 meters Using a single CR123A battery Applicable on MIL-STD-1913 and Glock sized rails. IPX6 Waterproof Silent On/Off/strobe switch Heavy duty stainless steel lever making it easy and fast to attach and release Bundle includes an additional CR123A battery and EdisonBright battery carry case