Check the listing for details. 7inch touch screen Digital 3 Channel 12 Leads ECG/EKG Machine Electrocardiograph. Condition: New. Listed at 420.00 USD. Electrocardiogramm Electronic ECG Heart Machine EKG Device (With Standard Accessories) Three channel electrocardiograph (with standard accessories)ECG 301Digital 3-Channel ECGFeatures:7 inch high resolution color touch-screen12-lead simultaneous acquisition and displayAuto analysis and diagnosis for routine ECG parametersSupport USB flash disk and micro SD card to extend memorySoftware upgrade automatically via USB/SD card.Specifications:1. Lead: Standard 12 leads;2. Input circuit: Floating; Built-in defibrillator protection3. Acquisition Mode: Simultaneous 12 leads acquisition;4. Measurement Range: ±5mVpp;5. Time Constant≥3.2s;6. Frequency Response: 0.05Hz~150Hz (-3dB);7. Sensitivity: 2.5mm/mV, 5 mm/mV, 10 mm/mV, 20 mm/mV;8. Input Impedance ≥50MΩ;9. Input Circuit Current＜0.05µA;10. Noise Level ＜15µVp-p;11. Anti-baseline Drift: Automatic;12. Patient Current Leakage＜10µA (220V-240V);13. Filter:EMG Filter: 25 Hz / 30 Hz / 40Hz/75 Hz / 100 Hz / 150HzDFT Filter: 0.05 Hz/ 0.15 HzAC Filter: 50 Hz / 60Hz14. CMRR: 100dB;15. Recording Mode:Automatic: 3CH×4+1R, 3CH×4，3CHx2+2CHx3,3CHx2+2CHx3+1R,6CHX2Manual: 3CH, 2CH, 3CH+1R, 2CH+1RRhythm: Any lead selectable16. Recording way: Thermal printing system;17. Recording Paper: Roll 80mmx20M;18. Paper Speed: 12.5 mm/s, 25 mm/s, 50 mm/s;19. Safety Standard: IEC I/CF;20. Sample Rate:Normal: 1000sps/channel21. Power Supply:AC: 100~240V, 50/60Hz, 30VA~100VADC: 14.8V/2200mAh, built-in lithium battery Return Policy Merchandise must be returned within a maximum of 14 days on receipt.Merchandise must be unused, unworn, and undamaged by you and in the original shipping condition.Merchandise must have all tags.Your refund will be processed within 3 working days upon receipt of return package.Return shipping charges will be borne by the buyer. All duties, taxes in the buyer’s country are taken care by buyer only. Feedback Feedback & DSRs (Detailed Seller Ratings). We Strive for 100%Customer Satisfaction and we love to leave positive feedback's for our buyers. Negative feedback is not a solution. So, we request you to contact us and give us a chance to resolve it asap. Thank You and Happy Shopping.