The super bright 3,500 lumen full size Streamlight ProTac HL 5-X USB flashlight is a complete rechargeable flashlight system that comes with a charge cord and two SL-B26™ rechargeable battery packs that feature integrated mirco-USB charge ports. The ProTac HL® 5-X comes packaged with four CR123A batteries. TheProTac HL 5-X USB is the brightest addition to the ProTac® series, offering the latest in power LED technology and three different user selectable programs. The output from the LED results in one of the brightest tactical lights available. It also accepts four CR123A lithium batteries (sold separately). Features TEN-TAP® Programming - Choice of three user selectable programs: 1) high/strobe/low 2) high only 3) low/medium/high; High (SL-B26 battery packs): 3,500 lumens; 452m beam; runs 1.25 hours; High (CR123A): 2,500 lumens; 385m beam; runs 1.5 hours; Medium: 1,000 lumens; 237m beam; runs 2.5 hours (CR123A); runs 3 hours (SL-B26 battery packs); Low: 250 lumens; 120m beam; runs 10.5 hours (CR123A); runs 11.5 hours (SL-B26 battery packs); Strobe for signaling or disorienting: runs 1.5 hours (CR123A); runs 1.25 hours (SL-B26 battery packs). IPX7 waterproof to 1 meter for 30 minutes; 1 meter impact resistance tested. Durable, anodized aluminum construction. Anti-roll head prevents the light from rolling away when placed on a flat surface. Rubber sleeve provides thermal insulation and a sure grip. 9.53 in. (23.65 cm); 1 lb 3.4 oz (550g) with two SL-B26 battery packs; 1 lb 2.4 oz (522g) with four CR123A batteries. Limited lifetime warranty. RoHS compliant.