Olight SR52 Intimidator 1200 Lumen Cree XM-L2 LED USB rechargeable Flashlight with six EdisonBright CR123A lithium batteries Max 1200 lumen output with 637 yards throw A micro-USB port allows rechargeable batteries to be charged while inside the light Side switch cycles through three brightness levels and activates strobe From the off position, automatically return to your last brightness level with the built-in memory function This bundle include six EdisonBright CR123A lithium batteries