Automatic External Defibrillator Automated External Defibrillator is a portable public access medical device to treat people experiencing suddencardiac arrest. It can diagnose cardiac arrhythmias and provide biphasic truncated exponential waveform shock.The 3-step foolproofoperation guide leads the user through the rescue and defibrillation treatment in accor.dance with the AHA/ERC guidelines. Features 3 Step defibrillation process, faster for life rescue. Button operation with professional guidance, simplify firstaid steps. 7'' LCD screen brightness and visual prompts with automaticself-test. Support 8 languages, a key to complete the switch.Advanced synchronous technology of charging and heart rhythm analysis.Biphasic Truncated Exponential waveform(BTE) with automaticallyimpedance compensation, high effective with less energy.Universal electrode pads for both adult/child. High capacity and long-life lithium manganese dioxide battery,minimum420 shocks, 5-year life.