Zoll M Series Biphasic Defibrillator:

The Zoll  M Series Defibrillator has everything you need for cardiac resuscitation: fast, easy-to-use defibrillation, external pacing, ECG with advanced monitoring and Advisory Capabilities or AED.  Built-in AC or DC power, and an integrated information management system.     Only 11 lb (5 kg). Half the weight and a third of the size of any unit in its class.