The MILWAUKEE REDLITHIUM USB Low-Profile Headlamp is thin with a 1 in. light head, wide flood beam, and is powered by REDLITHIUM USB and delivers 600-lumens of TRUEVIEW High Definition output. The floodlight headlamp features an ultra-thin light head that provides an unobstructed view with 125° of flood beam coverage. The rechargeable headlamp is designed with the battery pack in the rear for maximum maneuverability in tight spaces and a balanced design for all-day use. The hardhat headlamp is equipped with a sweat absorbing microfiber strap for comfort on bare heads and four included hard hat clips for secure connections on all hardhats. The Milwaukee headlamp has four light output modes: High, Medium, Low, and Eco for 28+ hours of runtime to maximize light output or extend runtime. The clip-on hard hat light is PI54 rated for water and dust resistance and can withstand up to 2M drops, surviving the toughest conditions on and off the jobsite. The REDLITHIUM USB Low-profile Headlamp is powered by the REDLITHIUM USB 3.0AH Battery, providing all-day run-time, more recharges, and 3x faster charge time. The REDLITHIUM USB Battery can be recharged in the flashlight via Micro USB or swapped out with additional REDLITHIUM USB Batteries for virtually no downtime. The Low-Profile Headlamp is covered by a limited lifetime warranty. Milwaukee RedLithium USB 600 Lumen Low-Profile Headlamp (3.0Ah) Kit 2115-21