The BFL 1800 is an incredibly bright front bike light featuring a long-distance beam. It projects a focused, even beam with up to 1,800 lumens of output and a 210-meter max beam distance. The light window on each side of the light body enhances peripheral visibility to always stay safe. The built-in 5000mAh rechargeable battery achieves up to 8.5 hours of runtime. The light has 3 output settings that can be accessed with the side switch, and the setting used previously will be memorized. Integrated with the side switch is a convenient battery indicator so you always know when to charge. This 102mm (4.02in) long bike light is also equipped with a bike mount and 4 straps that will fit most handlebars when using the correct length strap. The push-lock mechanism allows you to mount the light or detach it easily. Powerful and reliable, the BFL 1800 is perfect for daily commuting, urban riding, road cycling, and mountain biking.