... speed25mm/s, 50mm/sSensitivity choice5, 10, 20mm/mVMeasurement parametersHR, P-R interval, P-Duration, QRS Duration, Q-T interval, Q-Tc ... ,P Axis, QRS Axis, T Axis, R(V5), S(V1), R(V5)+S(V1)Product safety typeClass I, CF. Defibrillation ... 74mm x 25mm (WxLxH)Net weight2.5kg Touch Screen Digital 6-channel Electrocardiograph with CE and ISO certificate