Features TEN-TAP® programming – Choose from three user selectable programs: 1) high/strobe/low 2) high only 3) low/high High: 1,000 lumens; 270m beam distance; runs 1.25 hours (CR123A); runs 1.5 hours (SL-B26) Low: 60 lumens; 66 m beam distance; runs 20 hours (CR123A); runs 23 hours (SL-B26) Strobe: runs 2.5 hours (CR123A); runs 3.25 hours (SL-B26) Multi-Fuel – Uses one (1) Streamlight SL-B26 protected Li-Ion USB rechargeable battery pack; also accepts two (2) CR123A lithium batteries Rail clamp attaches to MIL-STD-1913 (Picatinny) rails Rail grabber is separate from light so you can rotate it within the clamp and maintain windage and elevation settings Durable, anodized aluminum construction with impact-resistant tempered glass lens IPX4-rated for water-resistant operation Includes batteries (either one SL-B26 battery pack or two CR123A lithium batteries depending on configuration), remote pressure switch, push-button tail switch, remote retaining clips, double-sided tape, and zip ties Limited lifetime warranty