Product Description:Marine CREE LED Aluminum High Output Flashlight Case material:Durable aircraft-grade aluminum; Water resistant; CREE LED Bulb; 900 Lumens Max - Output Varies based on battery voltage; Telescoping to focus light beam from flood to spot.; Requires 1 18650 Lithium Battery; High, Medium, low, Strobe and S.O.S. Mode; Shock Resistant; Lamp Life of 100,000 Hours; Switch:Tail Cap; (1) AC Wall Charger Included; (1) 18650 Lithium Battery Included;