Kenz Single Channel Ekg Unit ECG103 Single Channel Digital Electrocardiograph * Eliminate Baseline Drift Noise and Muscle Tremors with built-in Digital Filtering * Compact Size -- Only 7 lbs * 2-Year Warranty * Clear ECG Tracing with a Thermal Head Printer * Dual Operation - AC or Rechargeable Battery * Fully Automated One Touch Operation * Heavy Duty 10 Wire Patient Cable * Easy to mount printout *