This bicycle safety light will help you make your visible on the road.-Be seen while riding your bicycle， this LED light is the perfect solution for night-time safety when biking.-Brand new， high quality， small， lightweight， long life.-Specially designed for the vocational rider or casual cyclist.-Simple to use， long lasting， and safety attached-Easy mount and release ， installed in seconds before you get ready to ride-Secure， remains securely locked in position， even during off-road use-Durable and water resistant-Waterproof， shockproof.-3 Kinds of switch : Full light， Fast flash， Flash-Power :CR2016 batteries (included)-Light color :Red， blue， green， colorful