The ProTac HL 6 is a 5,300-lumen flashlight powered by two proprietary Streamlight SL-B48 protected Li-Ion USB rechargeable battery packs. It offers the latest in power LED technology and three different user-selectable programs. Specifications for Streamlight ProTac HL 6 LED Flashlight: Manufacturer: Streamlight Flashlight Application: Tactical Color: Gray Fabric/Material: Machined Aircraft Aluminum Beam Color: White Light Output: 5300 lumens Battery Quantity: 2 Battery Life: 2 hours, 12 hours Bulb Type: LED Beam Distance: 566 m Length: 10.5 in Weight: 590 g Water Resistance Level: IPX-7 Quantity: 1 Battery Type: Lithium Ion Features of Streamlight ProTac HL 6 LED Flashlight 5,300 lumens and 566 meter beam on High Switch to Low for 12.5 hours of runtime Uses (2) Streamlight SL-B48 protected Li-Ion USB rechargeable battery packs TEN-TAP programmable switch allows for user selection of High/Medium/Low/Strobe modes LED Solid State Power Regulation provides maximum light output throughout battery life Anti-roll face cap prevents it from rolling away when you set it down Durable 6000 series machined aircraft aluminum construction and IPX7 water proof Package Contents: Streamlight ProTac HL 6 LED Flashlight 2x SL-B48 Rechargeable Battery Pack Charge Cord Lanyard