Powered by REDLITHIUM® USB, the MILWAUKEE® USB rechargeable hard hat headlamp delivers 475 Lumens of TRUEVIEW™ high-definition output and is capable of all-day runtime, over 2000 recharges and 3X faster charging via USB. Optimized for use with hard hats, its slip-resistant strap and clips provide easy and secure attachment. A water, dust- and drop-resistant body and lens allow it to withstand the toughest conditions. Get maximum control over output, beam coverage and runtime with five different modes, flood, spot and spot/flood beam patterns and up to 31 hrs of runtime. 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. The Milwaukee® USB rechargeable hard hat headlamp is covered by a limited lifetime warranty.