E3L-2B4-50,PNP CLASS I
E3L-2B4-50-P1,PNP 4PIN CONN
E3L-2DC4,RECEIVER ONLY FOR E3L-2RC4
E3L-2DE4-50,RECEIVER ONLY
E3L-2E4-50,CLASS I LASER
E3L-2LE4-50,EMITTER ONLY FOR E3L-2E4-50
E3L-2LRC4,RE LASER 2M SEP EMITTER
E3L-2RB4-M1J 0.3M,RED LED LASER M8 CONN