Stern Jurassic Park T-Rex Opto SET Receiver Board/Emitter Board

SET contains 1 of each: Receiver board used in the T-Rex assembly in Stern's Jurassic Park pinball machines. See related products below for the corresponding emitter. Stern #520-8412-00. Emitter board used in the T-Rex assembly in Stern's Jurassic Park pinball machines. See related products below for the corresponding receiver. Stern #520-8069-00.