...81-M1TJ 0.3M Retro- reflective type E3Z-R81-M1J 0.3M E3Z-R81-M1TJ 0.3M Diffuse- reflective type E3Z-D82-M1J 0.3M E3Z-D82-M1TJ 0.3M Actuator wiring 3-4 Solenoid valves, etc. XW3D-P@55...https://www.ia.omron.com/data_pdf/cat/xw3d_ds_e_3_5_csm1341.pdf