UOM: Each Description: * Operational status indicator for battery and pad life, daily self checks* Device will analyse the patient and deliver shock automatically if required* Simple switch from adult to child mode* Dual adult/child Electrode Pads* Clear visual and verbal guidance* Ambient noise detector* CPR detection and metronome* Large internal memory with simple data access* Less than 6 seconds from completion of CPR to shock delivery* Simple data access with SD card download* Disposable battery pack