The ProTac HL 6 flashlight is a powerhouse of illumination, providing 5,300 lumens on high. It uses two of Streamlight's 5000mAh SL-B48 USB-C rechargeable protected lithium-ion battery packs, offering sustained brightness and unmatched run times. Features Uses (2) Streamlight SL-B48 protected Li-Ion USB-C rechargeable battery packs Features TEN-TAP programming - Choice of three user-selectable programs: 1) high/strobe/low 2) high only 3) low/medium/high High: 5,300 lumens; 80,000 candela, 566m beam; runs 2 hours Medium: 1,500 lumens; 23,000 candela; 303m beam; runs 3.75 hours Low: 450 lumens; 6,700 candela; 164m beam; runs 12.5 hours Strobe: runs 4 hours 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 Length: 10.5 in (26.6 cm); Weight: 1.3 lbs (590 g) with batteries Limited lifetime warranty Specifications High Lumens: 5,300 Run Time on High: 2.00 hours Run Time on Low: 12.50 hours Beam Distance: 566 meters Max Candela: 80,000 Battery Type: Streamlight SL-B48 Protected Li-Ion USB Rechargeable Battery Pack Battery Quantity: 2 Length: 10.50 inches (26.67 centimeters) Weight: 1 pound 4.80 ounces (589.67 grams) Colors: Black