CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Infrared detector (receiver) in a metal TO-18 case used on Bally/Midway A080-1894-B000 receiver Opto board.
Reference:
MRD370E-585-81NTE3036 equivalent