HeartStart MRx Monitor / DefibrillatorModel numbers: M3535A, M3536A, M3536J, M3536M, M3536MC, M3536M2, M3536M4, M3536M5, M3536M6Serial Numbers: All serial numbers between US00100100 to US00567299Manufactured between February 2004 and May 2013ARTG Number: 95661