Pediatric Defibrillator Electrode Pads are for use with HeartStart FR2 AEDs. These are fully functioning AED electrode pads for use on children up to 8 years of age or up to 25 kg. in body weight. When used, these electrode pads reduce the energy level administered to the patient from the adult dose of 150 joules to a child dose of 50 joules. They are single-use and disposable. These electrode pads are NOT for use with the Philips ForeRunner (FR or FR1) AEDs.