The Philips HeartStart OnSite AED is a solid choice for high-risk Sudden Cardiac Arrest (SCA) patients who are looking for an AED for home or office use. It’s the only defibrillator on the market that’s available for personal use without the prescription of a physician. The Philips HeartStart OnSite AED is designed to be intuitive for use by both laypeople and experienced rescuers alike. Featuring innovative technologies that make it easy to setup and successfully use, the HeartStart’s portability—it weighs just 3.3 lbs.—allows quick access and mobility during a SCA episode.