Zoll 12-Lead Arrhythmia Simulator with Manikin Overlay, Large [SKU: 101-12-000L]Change any medium or large sized manikin or simulator into a 12 lead trainer Pace and defibrillate directly on the overlay system connected to the interactive 12 lead ECG simulator, included with the overlay You may purchase optional defibrillation training cables that allow hands free defibrillation, with up to 360 joules, as well as electrical capture with your external pacer Simulator capture key is used to select one of four preset pacing capture