...L 2M *4 *5 Emitter E3Z-T61A-L-UL 2M Receiver E3Z-T61A-D-UL 2M Emitter E3Z-T81A-L-UL 2M Receiver E3Z-T81A-D-UL 2M M8 (4-pin) Connector E3Z-T66A-UL E3Z-T86A-UL Emitter E3Z-T66A-L-UL Receiver E3...https://www.ia.omron.com/data_pdf/cat/e3z-_-ul_ds_e_4_1_csm1128419.pdf