The ZOLL AED Plus is another feature-rich device from the maker of advanced medical devices commonly seen in hospitals. This simple-to-use device, comes with the one-piece CPR-D padz, instead of two separate electrode pads, and allows the AED to give real-time feedback on rate and depth of CPR compressions. This device also uses consumer batteries, which keeps maintenance costs low. There are upgrade options available for the ZOLL AED Plus, such as an ECG display, and your option of semi-automatic or fully-automatic. ZOLL devices are popular in the medical field for a good reason: they make great products!