VISIBLE IN EVERY DIRECTION. The MILWAUKEE USB Rechargeable BEACON Hard Hat Light is powered by REDLITHIUM USB combines exceptional hands-free task lighting with an innovative, BEACON personal safety light. The BEACON personal safety light has steady and blinking options that make users visible up to ¼ mile from all directions when used with the front headlamp. The hard hat light works as a headlamp, delivering up to 600-lumens of TRUEVIEW High Definition Output. This clip on hard hat light has an elastic strap, silicon grip, includes two unviersal hard hat clips and is compatible with all hardhats. 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 rechargeable headlamp gives users all-day runtime with five light output modes: Hybrid Spot/Flood, Flood High, Flood Medium, Flood Low, Spot High. This Milwaukee headlamp is water and dust resistant and can withstand up to 2M drops.