Can deliver a potentially lifesaving shock to the heart if needed, and can guide rescuers to perform high-quality CPR with the integrated Real CPR Help® technology that provides real-time feedback for both rate and depth of chest compressions. It offers easy-to-understand audio and visual prompts and uses a 1-piece electrode pad for fast and easy placement. The 5-year pad and battery life mean fewer replacements and the lowest total cost of ownership. 7-year warranty.