Product:SENSOR-INTERRUPTER,OJ-535S-A5 Number:1000011069 Compatible models:Roland SG2-300 SG2-540 SG2-640 VF2-640 VG-540 SG-540 SG-300 LEJ-640 LEC-540 LEC-330 XC-540 XC-540MT XJ-540 XJ-640 XJ-740