The package includes 9 pieces in three colors: 3 red, 3 blue, and 3 green. These lights can be attached to kids' scooters or bike posts for headlights or taillights, dog collars, leashes, helmets, and more. Material: Made of ABS plastic and high-quality LED lights, these lights are durable, slim, lightweight, super bright, and long-lasting. They are powered by two CR2032 coin cell batteries (included), with up to 96 hours of battery life. Suitable for all bikes. Three switching modes: The LED safety light supports full light, fast flashing, and slow flashing modes. With the touch of a button, you can choose from 3 useful lighting modes. These modes help alert other riders, drivers, and pedestrians to your presence in low-light or dark conditions. Features: These LED safety lights are easy to use, sturdy, and simple to install without any tools. The waterproof housing design and non-slip clips allow for quick and secure attachment. Can be clipped onto belts, pockets, backpacks, or anywhere on your clothing. Also attaches easily using the included elastic Velcro straps. Multifunctional: This flashing warning light is compact and portable, making it ideal for various outdoor activities. Perfect for runners, joggers, cyclists, children, walkers, hikers, and more. Stay safe and increase visibility to drivers from a distance during nighttime, early morning, evening, foggy, or rainy conditions. A must-have item for a wide range of uses.