The Philips HeartStart OnSite AED is a popular defibrillator designed by the word leader in AEDs. Reliable and easy to set up, the OnSite AED is designed for the ordinary person in an emergency situation. Teachers, friends, family members, and coworkers will have the tools to save lives right out of the box. Real-time voice commands direct the user in every step of the defibrillation process, allowing the user to provide life-saving treatment with confidence. The Philips HeartStart OnSite AED will also adapt to your actions by only moving to the next step when you are ready, it will repeat instructions and rephrase them to help assist in the rescue. Having voice commands allows for an ordinary individual to provide treatment as well as help remind trained individuals of what actions to take during a hectic emergency.