... and DC power I. FeaturesSimultaneously acquisition of 12 lead ECG data, IEC Class I, type CF safety standard.Function ... resolution and multiple print formats ensure best print quality of ECG waveformsCapability of the input & output for analog signalII. ... 2% Digital sampling: 12 bits (simultaneously acquisition of 12 leads ECG data) DFT Filter automaticadjustment. Sensitivity: Auto, 5, 10, ...