Display screen type High resolution display Screen Size 7'' ( 17.7 cm ) diagonally sweep speed 25mm sec Information Hear rate, Lead Pads, Alarm On Off, SpO2, AED functions and prompts Alarm selection and limits, delivered Energy Defibrillator waveform biphasic energy display monitor display indicates both selected and delivered energy charge prompt type voice and visual prompts electrode impedance measurement range 0-250 ohms