Headlamp featuring a thin, 1-inch light head with wide flood beam. Powered by REDLITHIUM USB (Universal Serial Bus), delivers 600 lumens of TRUEVIEW high definition output. An ultra-thin light head provides an unobstructed view with 125-feet of flood beam coverage. Designed with the battery pack in the rear, offers maximum maneuverability in tight spaces and a balanced design for all-day use. Versatile for all headwear, features a sweat absorbing microfiber strap for bare head comfort, and hard hat clips for secure connection to all hardhats. Maximize light output or extend runtime with 4 light output modes: high, medium, low and eco for 25+ hours of runtime. Water and dust resistant, can withstand up to 2-meter drops and the toughest conditions on and off the jobsite. Performs with over 2000 recharges and 3X faster charging via USB. The REDLITHIUM USB battery can be recharged in the light via micro USB or swapped out with additional REDLITHIUM USB batteries for virtually no downtime. Covered by a limited lifetime warranty. Flood high mode: 600 lumens up to 2 hours; Medium mode: 350 lumens up to 6 hours; Low mode: 125 lumens up to 10 hours; Eco mode: 25 lumens up to 27 hours.