This is an 8 lines by 24 character LCD with a logic-level serial interface. THe display contains a 80C32 microcontroller with 64 kB EPROM and 64 kB RAM. The program reads the serial port and writes to the display. The display is unused, the protective foil is still on the glass surface. It has no backlight.
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.