describe: 1 [A set of front and rear bicycle lights to increase safety] It is safe to see and install a set of compact And the powerful front and rear daytime running lights, To ensure that you and your bike are visible to other road users, It must take precedence over any other cycling team. 2 [Illumination distance] Super bright beads, Can illuminate roads up to 100 meters long, Allows you to see the road ahead for up to 12 hours. 3, [3 lighting mode options] Both the headlights and taillights have one-button switches, 3 kinds of lighting modes can be switched cyclically, To meet the best visibility day and night. Including high light, low light and fast flash. 4. [IP65 Waterproof] No matter how bad the weather is, It can continue to work for you, Illuminate the way forward 5. [Easy to install] Silicone fixing strap, suitable for daily use and backing, It can be easily loosened and fixed without any tools. It is also suitable for seatposts, handlebars, seat lifts, Backpacks, helmets, and items that can be stretched to your liking. Color: red, blue, yellow, silver Material: plastic shell Size: 56*43 Weight: net weight 45 grams, gross weight 60 grams Power supply: 2 x 2032 button batteries Waterproof: IP-65 Range: 50-100 m Features: high power/high brightness/small and exquisite Package Included: 1 * light 2*battery