A little Christmas surprise: In every product we send out in the run-up to Christmas, you will find a beautiful Christmas card. We wish you a unique and merry Christmas! Ease of use: this LED bicycle rear light is bright and glare-free, thanks to its COB lamp beads and PC lampshade. It helps you see the road clearly and makes you more visible to other drivers, ensuring your safety in any lighting environment. Good waterproof capacity: enjoy worry-free cycling with the waterproof and durable construction of this LED bike tail light, which protects you even in adverse weather conditions. Stay safe and enjoy long-lasting use with ease. Multiple modes: an easy way to increase visibility. Full brightness, quick flash, switchable at will and other features are available with our LED bike rear light. The three-colour design increases riding safety. Click to choose between slow and fast alternating flash. Fast USB charging: Charge your LED bike tail light via a USB cable in just 1-1.5 hours from your computer, charger or power bank. You will never have to spend on batteries again, saving money and reducing waste to landfill. Wide application: this versatile light improves visibility when participating in outdoor activities such as cycling or camping by attaching to bicycles, backpacks or belts. It is widely used and ideal for cyclists and runners. In any low-light situation, stay safe with its powerful and reliable illumination.