The BL53 is a bicycle front light with a brightness of 350 lumens. It is equipped with a built-in 4000 mAh lithium battery, which can provide a battery life of 5 hours under the condition of the highest brightness. Its maximum range can reach up to 500 meters. It has two lighting modes, namely the close-range illumination mode and the long-distance projection mode, which can avoid disturbing other people's sight and reflects respect for public order. This light also comes with a battery level indicator, making it convenient for users to check the battery status at any time and ensuring a worry-free journey.