Created the Lifepak CR Plus Automated External Defibrillator (AED) for the minimally trained rescuer. The Lifepak CR Plus AED can be used in any setting, whether it is in a public place or at home. The clear, calm voice prompts guide the rescuer one step at a time. The semi-automatic CR Plus requires just three steps to give a potentially lifesaving defibrillation shock, while the fully automatic CR Plus requires just two steps. The Lifepak CR Plus is easy to maintain with synchronized replacement for the battery and electrodes. Weekly and monthly self-tests plus the visible readiness display with four clear indicators let you know the AED is ready to do its job. The Lifepak CR Plus has an industry leading 8 year warranty.