The Coast XP18R flashlight delivers the brightest in class light and four mode multi beam capability powered by a Coast Zithion X rechargeable battery This powerhouse features a real time power indicator plus patented slide focusing optical technology that shines clean flood light and piercing spotlight with seamless transitions between Defeat the dark with pure force The Coast XP18R rechargeable is a Rechargeable Dual Power product that provides the user the convenience and cost savings of Coast s Zithion X rechargeable power source but can also operate on 6 X AA alkaline batteries so you are never without your light Charge it up with the battery still inside thanks to the integrated ProTek charging port and battery charging indicator The XP18R flashlight not only features medium high and low output modes but also Coast s signature Turbo Mode for total dominance in the dark Brightest in class this weather proof and dust resistant flashlight is constructed of stainless steel and aluminum to fit a square in the palm for single hand operation in the field High textured handle styling ensures a solid grip and increases comfort in the hand A slide focusing patented optic puts flood to spot beam shaping capability right at your fingertips plus the option to use the Beam Lock to set your beam just how you need it Specifications . Battery ZX960 Zithion X 6 x AA. Light Output High 1460 Lumens. Light Output Low 65 Lumens. Light Output Medium 420 Lumens. Light Output Turbo 3650 Lumens. Runtime High 6 Hours 30 Minutes. Runtime Low 58 Hours 30 Minutes. Runtime Medium 9 Hours 30 Minutes. Beam Distance