Choose a Specification Amperage Battery Battery pack capacity Bluetooth Bluetooth Distance CE Mark Channels Cmrr Configuration Number CPR Timer Depth Diagnostic Interpretation Ecg Frequency (Hz) Frequency Response Heart Rate Range Height Input Impedance Input Range Interpretation Leads Metronome Modem Patient Leads Power Supply Voltage Printed 12-lead Real-Time/Split Screen Recording Time Sampling Accuracy S/N Snapshot Feature Speed USB 2.0 Warranty Water and Particle Ingress Width WiFi Year of Manufacture