This bike light set is perfect for cyclists of all levels. Whether you're commuting to work, going for a leisurely ride, or hitting the trails, these lights will keep you safe. The front light provides 75lm of brightness and 2 lighting modes to illuminate the road ahead, while the rear light offers 70lm of brightness and 7 lighting modes to warn vehicles behind you. The lights are easy to install without any tools and feature a one-button disassembly for quick release. They are made of high-grade ABS plastic materials and are IPX5 water-resistant, so they can withstand adverse weather conditions. The handlebars mount fits handlebars of around 1.25 inches diameter and comes with 3 rubber pads for the optimal fixing effect and scratch resistance. The lights are powered by 4pcs AAA batteries (front light) and 2pcs AAA batteries (rear light) and can run up to 80 hours.