Mag Tac, Rechargeable LED Flashlight System With Crowned Bezel Head, Advanced Lighting Tool Powered By A High Capacity Lithium Iron Phosphate Lifepo4 Battery With A 2.5 Hour Charge Time, Includes Detachable Pocket Clip & USB Powered Mountable Charging Base, That Can Be Powered By The Included 12V Adapter & 120V Converter, Or Any Source That Complies With Sub 2.0 Standard, 4 Functions By Clicking The Tail Cap Switch Momentary, High, Low & Strobe, 543 Lumens On High 2.5 Hour, Run Time, 112 Lumens On Low 4.5 Hour, Run Time, 181 Meter Beam Projection, Aircraft Quality Anodized Aluminum, O-Ring Sealed At All Threaded Joints For Water Resistance, Flood To Spot Focus Feature By Rotating The Head Of The Light, Limited Lifetime Warranty.