Suitable for users with a range of first aid abilities, the Zoll AED Plus defibrillator uses semi automatic operation; analyisng the patient and instructing rescuers to administer a shock at the touch of a button if necessary. Zoll defibs provide audible and visual prompts for guidance throughout the defibrillation process. Helping those with minimum first aid training, the Zoll AED features Real CPR feedback technology which monitors the actions of the first aider and provides valuable feedback for effective CPR treatment.