High brightness and multi lamp mode - Each bicycle lamp is designed with 2 main LEDs and 19 peripheral auxiliary LEDs, which are controlled by independent switches. The front lights have 2 X 4 modes and the tail lights have 2 X 6 modes, which can be used separately or in combination to meet your needs. Long running time and battery indicator light - our bicycle headlights are equipped with 1100MAH large capacity batteries, and the tail lights are 350MAH. In the "slow flash" mode, the headlamp can last for 58 hours and the tail lamp can last for 25 hours.When the battery power is lower than 20%, the indicator light on the switch will flash green to remind you to charge the light and not worry about running out of power. IPX6 waterproof - up to the waterproof level of IPX6, this bicycle lamp set can work well in rainy or foggy days, allowing you to enjoy the fun of riding. The USB port is equipped with a waterproof silicone cover, which can effectively waterproof and extend its service life. Easy to install - LED bicycle lights can be installed by hand without using other tools, even for children. 4 simple steps - put on the lock catch, connect it to the handlebar, and then snap it into the appropriate hole, you can adjust it to be horizontal or vertical accordingly. Multiple uses - with super bright lights, bicycle lights can be used not only for riding on technical routes or rough roads, but also for emergency flashlights in hiking, camping or outdoor activities. This is a must for safety in any environment that requires lighting. We only sell items in the first picture, not items in other pictures. Due to the difference of different monitors, the pictures may not reflect the actual color of the product. Due to manual measurement, please allow minor dimensional errors.