Easy2Pick Unisex Flashing Luggage Tag PVC Made in USA and Imported L.E.D Wireless Luggage-Suitcase Finder The flashing LED tag is a worldwide special patented technology created to make traveling easier contains 16 different combinations of colors, which allows you to set the color of flashes however you prefer. The flashing LED tag has a built in photo electric sensor that senses when it is in the cargo of the plane or when it is on a luggage carousel.