Features & Description:475 lumen's of Trueview high definition outputClips and rubber grip for secure hard hat attachmentIP54 rated; water and dust resistantFlood, spot and spot/flood beam pattern options3 light output modes for optimal brightness and runtimePowered by REDLITHIUM USB, the Milwaukee USB Rechargeable Hard Hat Headlamp delivers 475 lumen's of TRUEVIEW High Definition output, and is capable of all-day runtime, more than 2,000 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 three different modes: flood, spot, and spot/flood beam patterns, with up to 31 hours of runtime. The REDLITHIUM USB Battery can be recharged with the micro USB cord, included, or swapped out with an additional REDLITHIUM USB Battery for virtually no downtime. The Milwaukee USB Rechargeable Hard Hat Headlamp is covered by a limited lifetime warranty.