●The main light utilizes two LEDs with a combined max output of 300 lumens and with differenet lens angles for increased visibility.(Max Visibility Distance 3000 Meters) ●OptiTracing light increases visibility and lets you focus on the road ahead.Superior 260° visibility ensures a high level of safety in road traffic. ●Built-in motion sensor, automatically turns on when braking (can be turned on/off manually).Ambient light sensor automatically adjusts brightness to the environment. ●Smart-Day Flash mode offers ultimate visibility during the day.Low power mode brings you home safely before the battery runs out. ●IPX6 waterproof rating, heavy rain resistant.One-piece aluminum housing ensures a lightweight, durable, and stunning finish. ●Equipped with a USB-C Port for charging,2 hours get a full charge, 1600 mAh battery allows you to use ECO mode up to 200 hours of runtime. ●24 Months Manufacturers Warranty. Please feel free to contact us if you encounter any quality issues. No Standalone lithium batteries are sold with the product.