Basic defibrillator model that is affordable and easy to use. Reliable and durable (1m drop test: dustproof and waterproof resistance IP rating of 56), making it capable of tackling challenges in various severe environments. Can be easily operated by professionals and non-professionals alike. Allows the user to deliver 1 or more defibrillating shocks on adult or paediatric patients affected by ventricular fibrillation or ventricular tachycardia. Analyses the patient's ECG and, if a shockable rhythm is detected, automatically starts charging the reservoir capacitor. The AED vocal message will advise the operator to press the shock button to deliver the defibrillating shock. Following the defibrillation, cardiopulmonary resuscitation will be guided by voice prompts and the metronome which marks the various cycles of compressions and insufflations.