Front/Rear Light USB Rechargeable Small size and easy to carry, large lighting range, making a wider vision while driving at night Uses aluminum alloy material, durable to use and has excellent thermal conductivity Integrated design with good sealing craft ensures excellent waterproof performance, allowing you drive in any weather conditions Charged by connecting the Micro USB cable to computer or plugging phone charger to wall power socket 4 light modes (strong, weak, slow flash, strobe) Specifications: Color: Red/White Material: aluminum alloy + engineering plastic Note Please allow 2-3 cm difference due to manual measurement. Besides different computers display colors differently, the color of the actual item may vary slightly from the below images, thanks for your understanding(1 inch = 2.54 cm)