The Philips Part Number M5066A is the Philips HeartStart OnSite AED. It is sometimes referred to as the Philips HeartStart HS1 or Home Defibrillator. An Automated External Defibrillator is a life-saving device and this particular AED is deemed so easy-to-use that the FDA does not even require a medical prescription. Philips is one of the most recognizable brands in the … Read More