Green LED Display System for Bally / Williams System 11B / C pinball machines. 

The PS-2518-21 LED Display is a drop-in replacement for common Bally/Stern 6-digit displays. Custom Series - Green.

The PS-2518-21-B LED Display is a drop-in replacement for common Bally/Stern 6-digit displays. Custom Series - Blue.

The PS-2518-21-B LED Display is a drop-in replacement for common Bally/Stern 6-digit displays. Custom Series - Red.