MULTI-BEAM High Speed Opposed Mode Receiver,Sensing Range: 45 MR,940 NMTR Infrared Sensing Beam,NEMA 1, 3, 12, and 13 Reinforced VALOX,Response Time: 1 MS,Interconnecting Pins,40 MM Length X 53 MM Width X 114 MM Height,-40 To 70 DEG C,Repeatability: 0.03