Check the listing for details. NEW 1- channel 12-lead Electrocardiograph ECG EKG Machine FDA/CE APPROVED. Condition: New. Listed at 299.99 USD. 1- channel 12-lead Electrocardiograph ECG EKG Machine USPS Fast CE Features: 12-lead simultaneous standard resting ECGOne-touch operationConcept of floating input circuit meets IEC safety standardHigh-resolution thermal printing array systemFrequency response is as high as 150HzCapable of printing continuously on channel trace and annotations including lead mark and parameter such as sensitivity, paper speed and filter operation statusHigh resolution digital filter inhibits baseline drift without affecting ECG waveformRechargeable battery supporting more than 50 patient examinations Specification: Safety standardIEC60601-1 class I, type CFInput circuitFloating; Protection against Defibrillator effectLeadStandard 12 Leads, Lead change automaticallyPatient current leakage3.2seconds CMRR>80dB >100dB (with filter)EMG filter 35Hz (-3dB) / 25Hz (-3dB) Sensitivity1/2, 1, 2 (cm/mV), Conversion Deviation≤5%Recording system Thermal-array 8 dots/mm ( vertical ) 16 dots/mm ( horizontal, 25mm/sec )Paper speed 25, 50mm/s±3%Recording paper 50mm,20m, high-speed rollInput circuit current≤50nA Power supplyAC: 220V / 110V, 50/60HzDC: 12V rechargeable battery Skin voltage tolerance±300mVNoise level