Defeat the dark with pure force. As the most powerful flashlight in our XP professional series, the COAST XP18R overwhelms any lighting challenge with dynamic, brightest-in-class light and four-mode, multi-beam capability, delivering up to 4900 lumens on Turbo Mode. Featuring COAST Rechargeable Dual Power technology, this IP54 dust-resistant and storm-proof powerhouse runs on a COAST ZITHION-X(TM) rechargeable battery (charging cable included) or standard alkaline AA's (purchased separately)-with power monitored by a real-time battery life indicator so that you're always ready. COAST-patented SLIDE FOCUSA(R) optical technology shines the Ultra View Flood Beam and BULLS-EYE(TM) Spot Beam with seamless transitions between.