... : 5mm/mV, 10mm/mV, 15mm/mV, 20mm/mV and 25mm/mVScanning speed: Changeable with three grades of 12.5mm/s, 25mm/s ... common abnormal ECG can be analyzed, with ECG data of 1000 times of arrhythmia kept and with 10 seconds kept for each time ... sensor: ±2%Isolation voltage: 4 kV Lexi**8.4-inch color 6-Parameters Patient Monitor with audible and visual alarm with printer and ETCO2