EASILY CONVERT YOUR FAVORITE CAP INTO A POWERFUL, VERSATILE, AND RECHARGEABLE HEADLAMP! SPORTING 250 LUMENS AND AN ENGINEERED CENTER-OF-GRAVITY DESIGN, THIS HEADLAMP WILL GO UNNOTICED WHILE YOU KEEP THE PATH BRIGHT! Powerful 3-LED design delivers up to 250 max solid beam lumens  Innovative patented center-of-gravity engineered design positions the LED housing close to the base of your brim optimizing physics and weight distribution for maximum comfort and performance 3 solid brightness modes provide versatile wide beam illumination Precision engineered design securely attaches to just about any cap brim with easy adjust attachment clips Multi-use versatility - swap from your go-to running cap to your everyday favorite! Super lightweight design - only 1.75 ounces! USB rechargeable design means no batteries to replace! Easy push button on/off 2-hour charge time (USB charging cable included) – indicator lets you know when it’s fully charged Hat not included Max Lumens: 250 Weight: 1.75 oz. Modes: High, Medium, Eco Solid Beams Run Time: 2.5 hrs. High, 4.5+ hours Medium, 6.5+ hrs. Eco Battery: USB Rechargeable Amphipod Swift-Clip Luminator Rechargeable Cap Headlamp in Charcoal