Philips HeartStart MRx cardiac monitor / defibrillators, models:M3535A, M3536A, M3536J, M3536M, M3536MC, M3536M1, M3536M2, M3536M3, M3536M4, M3536M5 and M3536M6 (manual defibrillator)All units manufactured prior to June 2012 (Model / manufacture date is printed on the primary label on the back of battery bay B)ARTG Number: 95661