The relife 900 is a biphasic defibrillator system that provides advanced monitoring functions and acute cardiac care by multiple modes of operation aed, Synchronized cardioversion, Manual defibrillation, External pacing and monitoring, Masimo spo2, Suntech nibp, Etco2. Features biphasic defibrillator 7, Inch full-color TFT panel user selectable energy levels from 2j to 300j in manual defibrillation mode synchronized cardioversion remote energy selection and charging through paddles 24 events recording minimum 100 discharge of 300j with fully, Charged new battery optional enhancement aed, Nibp, Masimo spo2, Either pacing or capnography co2