Magnetic Design: Strong magnetic closure, the unique design stays firmly in place and the magnet does not damage clothing. Attach it to your belt, coat, collar, pocket, bike, reflective vest, armband, headband. Portable and Flexible: This mini portable outdoor running light is flexible, wireless and foldable, use it whenever you need a spotlight or emergency light, very convenient and practical. Safe and Waterproof: Water-resistant rubber coating protects the entire light, non-toxic and eco-friendly silicone case, battery is included in lightweight and easy to replace. Improves visibility: powered by 2 CR2032 button cell batteries (included), and can be replaced with a small screwdriver. This LED safety light helps improve visibility and safety at night. Package List: 1 x Mini Running Light.