• 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
• Rubber sleeve provides thermal insulation and a sure grip
• Anti-roll face cap prevents it from rolling away when you set it down
• Durable 6000 series machined aircraft aluminum construction and IPX7 waterproof