The LIFEPAK 1000 First Responder AED Package is a hassle-free AED package that provides rescue professionals with the very best from Physio-Control, the preferred brand of medical professionals. Featuring the LIFEPAK 1000 - arguably the toughest and most rugged AED available - and all of the needed accessories, the LIFEPAK 1000 First Responder Package has been designed specifically for medical and rescue professionals subject to harsh and extreme rescue scenarios.