Our MILWAUKEE REDLTHIUM USB Hard Hat Headlamp is 20 percent 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.