The MegaStream USB rechargeable EDC flashlight is extremely bright, delivering 1,800 lumens and 26,000 candela. It fits conveniently in your pocket or clips to your gear, and its battery pack can be charged inside or outside of the light. Product Features Uses (1) 3,500 mAh Streamlight SL-B34 protected lithium-ion rechargeable battery pack High, medium, and low modes High: 1,800 lumens; 26,000 candela; 322m beam; runs 2 hours Medium: 500 lumens; 7,200 candela; 170m beam; runs 3.5 hours Low: 150 lumens; 2,100 candela; 92m beam; runs 13 hours Push-button tail switch with momentary or constant on operation Metal sleeve protects charging port; slide sleeve back to reveal Self-keying battery ensures proper alignment of the charging port Durable, anodized machined aluminum construction; unbreakable polycarbonate lens IPX7 waterproof to 1m for 30 minutes; 2m impact resistance tested Removable pocket clip Includes USB-C cord and holster Length: 5.3 in (13.4 cm); Weight: 5.4 oz (152g) Limited lifetime warranty Product Specifications High Lumens: 1,800 Run Time on High: 2.00 hours Run Time on Low: 13.00 hours Beam Distance: 322 meters Max Candela: 26,000 Battery Type: SL-B34 Rechargeable Battery Pack Battery Quantity: 1 Length: 5.30 inches (13.46 centimeters) Weight: 5.40 ounces (153.09 grams) Colors: Black