[Diverse Lighting Modes] The white headlights have 4 lighting modes: constant high brightness, constant medium brightness, constant low brightness and strobe (activated by double-clicking the button); the red taillights_x005F_x000D_have 6 lighting modes: Constant High Brightness, Constant Medium Brightness, Constant Low Brightness, Slight Flicker, Medium Flicker, Strobe, Click the button to switch. _x005F_x000D_ [USB fast charging] The 800MAH lithium battery is built into the front light, and the 540MAH lithium battery is built into the tail light. They only need an hour to fully charge. There is a hidden USB charging port on the side_x005F_x000D_of the device, which can be connected to a computer and other devices with a USB port for fast charging, thus avoiding unnecessary battery replacement. _x005F_x000D_ [Lightweight/Sturdy/Waterproof] Bike Light set use the PC plastic case, so you dont have to worry about it being too heavy, it is suitable for both men and women. The USB interface is covered with waterproof silica gel and_x005F_x000D_dustproof, combined with advanced IPX5 waterproof and dustproof technology, suitable for various weather conditions. _x005F_x000D_ [Easy to Install and Remove] It is installed by high-elastic silicone mounting strap, which is very soft, easy to stretch, and can be easily loosened and fixed without tools. The light can be firmly fixed on the frame and_x005F_x000D_the backrest, suitable for all types of bicycles, very suitable for children and all cyclists. _x005F_x000D_ _x005F_x000D_ _x005F_x000D_ Bicycle rear lights _x005F_x000D_ Red bicycle tail light _x005F_x000D_ The taillight features 14 super bright LEDs, 6 brightness levels (high/medium/low brightness, fast/medium/slow flashing) and memory function. The maximum run time in low mode is 12 hours. Press on_x005F_x000D_the button to change the mode as you need and hold it for about 1 second to turn it off. Bright LED taillights make it easier to alert vehicles and pedestrians behind you. _x005F_x000D_ _x005F_x000D_ USB fast charging _x005F_x000D_ IPX5 waterproof rating _x005F_x000D_ Easy to install and remove _x005F_x000D_ PC plastic material, sturdy and durable _x005F_x000D_ Lightweight and safe, suitable for adults and children _x005F_x000D_ _x005F_x000D_ The front and rear lights of the bicycle light combination have USB fast charging function, no need to replace the battery, Convenient and economical. _x005F_x000D_ _x005F_x000D_ The lamp holder is easy to install and remove, and it can be done easily without tools. Whether walking a dog, biking, skating, hiking or motorcycling, these super bright safety lights can ensure your_x005F_x000D_security. _x005F_x000D_ _x005F_x000D_ Packing List _x005F_x000D_ _x005F_x000D_ 1 x Bike Headlight (White Light) _x005F_x000D_ _x005F_x000D_ 1 x Bike Rear Lights (Red Light) _x005F_x000D_ _x005F_x000D_ 1 x Instruction Manual _x005F_x000D_ _x005F_x000D_ 2 x USB charging cable _x005F_x000D_ _x005F_x000D_ 2 x silicone rubber