Four lighting modes: Riders can clearly see the road conditions in front of the road and on the left and right, which is convenient for vehicles behind to see clearly, which plays an important role in ensuring driving safety. Battery: USB direct interface for fast charging and quick discharging, double the charging efficiency, long-lasting battery life, intelligent serial port for safety protection, and the rear USB interface can be connected to computers, charging treasures, mobile phone chargers, etc. Riding is safer: the range is more than 200 meters, the brightness is 300 lumens, and the safety is higher. Note:1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding < br> 2. Color may vary by monitor. Please understand that Note: Hello, please pay attention to your delivery address when purchasing the product. If your pickup information (e.g. name, street, house number, doorbell/email with no name) is incorrect, the order will not be delivered correctly. )