The Ultimate Flashlight for Hunters! 610 lumens / 250 yards distance with 2 CR123A batteries (included). 825 lumens / 285 yards distance with 18650 li-ion rechargeable battery (not included). Mode Selector eliminates toggling between settings. Choose the setting (High, Low, Green) and use the tail cap switch to turn the light on and off. Single Action Tail Cap Switch with Momentary and Constant-On.