The Philips HeartStart OnSite AED Defibrillator is the worlds best selling AED. It is designed for the Ordinary Person for use at home, in the car or virtually anywhere. The Philips HeartStart OnSite AED Defibrillator was the first AED approved by the U.S. FDA for OTC (over the counter sale) to the public. It is easy to use, fully portable & always ready. Sudden Cardiac Arrest is the leading cause of death in the U.S. today. Each year Sudden Cardiac Arrest strikes approximately 340,000 people. Only one in twenty or 5% survive. Read more at AED Professionals (WWW.AEDPROFESSIONALS.COM)