Designed for the pros, this AED has many features that make it ideal for professional rescuers. The AED Pro® monitor/defibrillator is designed for both basic and advanced life support specifically with features for EMS teams, Fire Rescue, and Police this AED is designed for the pros. This unit provides real-time feedback on both the rate and depth of chest compressions to enhance CPR quality. It includes a compression depth indicator and metronome to guide the rescuer to Guideline-complaint CPR compressions. This unit is also feature rich with three-lead monitoring that allows medical professionals a lower cost option to view the ECG of patients who do not require defibrillation. This AED also has complete electrode compatibility with ZOLL’s line of professional defibrillators, has battery compatibility with ZOLL’s R Series® professional defibrillator, is built with a rugged design with an IP (ingress protection) rating of IP55 for dust and water, and passes the 1.5 meter drop test and can record data with the units considerable onboard memory capacity: 20 minutes of ECG, operator, and device actions with audio recording enabled; 4 patient records up to 1.45 hours each, or up to 5.8 hours for a single record of ECG and event data without audio recording