4pcs Genuine SAMSUNG EZON Digital Door Lock Key Tag 13.56MHz RFID ISO14443 A Type for SHS-2320 SHS-2920 SHS-2621 SHS-6600 SHS-6601 SHS-6020 SHS-5120 SHS-P710 SHS-D500 SHS-G510 SHS-1320 SHS-1321 SHS-3120 SHS-3320 SHS-3420 SHS-P810 SHS-P910 SAMSUNG RFID KEY TAG Compatible for SHS-2320 SHS-2920 SHS-2621 SHS-6600 SHS-6601 SHS-6020 SHS-5120 SHS-P710 SHS-D500 SHS-G510 SHS-1320 SHS-1321 SHS-3120 SHS-3320 SHS-3420 SHS-P810 SHS-P910 13.56MHz RFID ISO14443 A Type