Versatile Keychain & Collar Light: This push-button keychain light attaches easily to your keys or pet's collar using the stainless steel carabiner Colorful LED Light: The keychain features a Disc-O Select LED module, allowing you to select from red, green, blue, or white, or leave it in color-changing disc-o mode Micro USB Rechargeable Light: This LED keychain light has a run time of 10 hours and fully recharges in 1.5 hours using a micro USB cable (not included) Weather -Resistant Carabiner Keychain: The SpotLit is weather-resistant, made with a durable carabiner that will withstand walks in the rain and your dog's playtime About Nite Ize: Our inventor-driven products organize your life, protect your gear, light your way, and creatively solve everyday problems; every product is backed by our Worry Free Guarantee