![Opto infrared diodes (LEDs) - Pair Opto infrared diodes (LEDs) - Pair](https://www.pinball.center/6617-large_default/opto-infrared-diodes-leds---pair.jpg)
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Infrared Photo LEDs - Transmitter and Receiver
Receiver (dark):
Williams Ref.-Nr. 5671-14114-00 used in A-16909
Transmitter (clear):
Williams Ref.-Nr. 5671-12731-00 used in A-16908