AOR POWER Bicycle Tire Valve Stem LED Cap Lights An eye-catching and fun way to make your cycle or bike even more visible to motorists Made of corrosion resistant and lightweight plastic for safety reasons - will break if bent Water resistant stem light is easy to install or remove for daytime riding Powered by three AG10 batteries per light (included and pre-installed) We are a U.S. seller - buy with confidence knowing your product will arrive safely and quickly