The MILWAUKEE REDLITHIUM USB Hard Hat Headlamp is 20% LIGHTER WEIGHT, BRIGHTER, and offers MORE RUNTIME. This high output, compact headlamp is all powered by the REDLITHIUM USB Battery. This rechargeable headlamp is a lightweight and compact design that delivers 600 lumens of TRUEVIEW HIGH-DEFINITION OUTPUT with hybrid, spot, and flood modes. The headlamp easily detaches from the bracket for easy charging and to help get light into those hard-to-reach places. You can now optimize the position of the light with 180 degrees of mobility and 5 different output modes. This headlamp is IP54 rated as weather and dust resistant and survives impacts from up to 2 meters to withstand harsh job site conditions. The REDLITHIUM USB Hard Hat 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 USB - C or swapped out with additional REDLITHIUM USB Batteries for virtually no downtime. The REDLITHIUM USB Hard Hat Headlamp is covered by a limited lifetime warranty.