With a maximum output of 6,000 Lumens, the Redline 6K is one of NEBO's brightest flashlights ever. The Redline 6K is a powerful waterproof (IP67 rating), rechargeable flashlight that features 4X adjustable zoom and new optimized C·O·B technology housed inside of an aircraft-grade anodized aluminum body with 4 light modes. Light output: High (6000 lumens): 2 hours / 219 meters; Medium (1200 lumens): 5 hours / 98 meters; Low (60 lumens): 50 hours / 69 meters; Strobe (6000 lumens): 3 hours / 219 meters. The Redline 6K is micro-USB to USB rechargeable and doubles as a power bank for your other USB devices. The anodized aircraft-grade aluminum body comes with an IP67 waterproof rating. The power button doubles as a charging indicator and the closed-loop temperature control helps regulate temperature of the light. Operate using one front-positioned button for power and mode selection. Accessories include micro-USB to USB charging cable, detachable lanyard, and rechargeable battery. Recharge time: 5 - 20 hours, depending on output of USB. All of these fantastic features make the Redline 6K a great option as an EDC flashlight, camping light, hunting light, tactical flashlight, or as an emergency preparedness light.