Mepro Waterproof CREE T6 LED Bicycle Light Super Bright Bike Headlight LED Lighting Headlamp with 8.4V Rechargeable Li-ion Battery Pack and US Charger,Good Choose for Outdoor Camping, Traveling, Hiking,Flshing,Cycling High quality Strongest aircraft aluminum use the CREE light and the light life up to 50000 hours 3 switch Mode: Strong Brightness / Low Brightness / Flashing,EXTREMELY it is good for you to choose at different road condition Used widelyFree Bonus head harness that the light attaches to, for Outdoor Camping, Traveling, Hiking,Flshing,Cycling The 6400mAh battery comes in its own protective carrying case with Velcro strap so it can be fastened to the bike's cross bar where it's out of your way but remains easily detachable for recharging Two ears of the light is equipped with a cooling device, helpful for the heat dissipation