The Zoll AED 3 is an automated external defibrillator (AED) designed for use by both professionals and bystanders. The Zoll AED 3 is designed with easy-to-use touchscreen interfaces that provide real-time feedback, RapidShock heart rhythm analysis, voice prompts, and visual guidance. The Zoll 3 AEDs easy-to-use design makes them ideal for schools, offices, gyms, and pools. he Zoll AED 3 can be used on adults and children and includes Real CPR Help technology which provides real-time feedback on the rate of chest compressions during resuscitation efforts making them ideal for use by people who may not have formal training. Additionally, it has a Rescue Ready indicator that alerts users when maintenance or service is required ensuring the device is operational at all times. Keep your employees, congregation, or students ready for any sudden cardiac emergencies with a Zoll AED 3.