Cateye: The most powerful class of headlight in the world is something you have to experience to believe. 6000 Lumens turns dark into day for an unparalleled riding experience.Whether you’re looking for an advantage in your next 25hr race, or just seek the solitude of single-track at night, you no longer have to slow down when the sun goes down.• COB LED, 6000 Lumen maximum output• The latest large capacity Li-ion rechargeable battery• Superlight sub 120 gram head unit delivers amazing power with Cateye proprietary circuit technology and cooling fan rotating at 10k times per minute.• Regulated power brightness, maintains the 6000 lumen from start to finish• Battery indicator• Double click to Dynamic Mode. Single click returns to the previous mode• Recharge time: 5 hours• Includes helmet mount, Flextight bracket, extension lead and wireless remote switch• Weight including head unit and battery: 550gMode: Output, RuntimeDynamic: 6000 Lm, 1 hr High: 4000 Lm, 2 hrsMedium: 2000 Lm, 4hrsLow: 1000 Lm, 8 hrsAll Night: 500 Lm, 12 hrsHyper Constant: 500/2000 Lm, 11 hrs