Designed for the ordinary person in the extraordinary moment, the HeartStart OnSite Automated External Defibrillator (AED) is known to be the easiest AED to set up and use and the most reliable defibrillator available. Simply pull up the handle on the front of the AED to activate it. https://www.firstaidcanada.com/product/philips-heartstart-onsite-defibrillator-ready-pack/