... )FilterAC, EMG filterDrift filterAnti-Drift SystemCMMR>60dB>100dB(with AC filter)Input circuitFloating, Protection circuit against Defibrillator effect Input ... ,display status&waveform.Safety levelIEC60601-1classI,type CFPower supplyAC :110V/220V/110~230V,50/60Hz±1Hz,30VADC :14.4V ... (2000mAh) rechargeable Li-ion batteryFuse AC extend T500mA/125V 5x20mmAC extend T400mA/250V 5x20mmAC extend ...