This is a dual "star burst" (14 segment) red LED display. A star burst display has 14 instead of 7 segments, which makes it suitable for displaying both numerals and (uppercase) letters. The segments of each half of a digit have a common cathode (-).
This is a surplus product. It was obtained from a surplus store, from an inventory or from any other secondary source. You can expect this product to be in good working condition, but it can show signs of being handled, shipped, repackaged etc. The supply of a surplus article can suddenly run out, or the price can change. Get it while it is available.