Volcano Eye Bicycle Tail Set of USB Rechargeable LED Waterproof Flashing Cycle 4 Light Safety Light for Nighttime Ride Easy Installation Lights, 2,

1. Visibility: The LED is super bright and highly visible from the side, improving safety when driving at night and during the day. 2. Waterproof: It meets IP X-4 waterproof standards, so it can be used even in rainy weather. 3. USB charging: It can be charged via a computer, outlet or mobile phone charger, saving you battery costs. 4. 4 modes: Full brightness, Cyclic flashing, Fast flashing and Slow flashing. You can press the button to change the lighting mode as needed. 5. Easy installation: Quickly installs and removes without tools, and can be installed vertically or horizontally. We love riding bikes just like you do, and we're proud to design, build, and test our bikes in America. We are committed to creating the highest quality lighting systems in the world. We know that accurate illumination of vehicle headlights is crucial for cyclist safety and identification. Why buy from us? 1. We have been researching and developing bicycle lights for over 10 years! 2. Our products are designed and tested in the USA. 3. We pride ourselves on high-quality products. 4. We have received approval and satisfaction from many customers. You can select the light mode and it will automatically turn off when charging is complete. Tail light: 4 hours (Steady mode), 10 hours (Slow flashing), 12 hours (Fast flashing), 8 hours (Circular flashing) How do I switch modes? 1. Press the button for about 1 second to turn it on/off. 2. Click the button to change the lighting mode. USB rechargeable Charge from a computer or device with a USB port. Smart Charge 2 hour charge Automatic power-off system when charging is complete Smart Charge ensures even longer-lasting power Easy control buttons Easy to operate and use 4 lighting modes: steady/slow flashing/fast flashing/cyclic flashing Package Contents Set of 2 tail lights Two USB cables Two packing boxes