Ranges: 0.05 to 100kg, 0.05 to 220lbs, 0.2 to 980 Newton Basic accuracy of 0.5 percent. Tension or Compression, Peak hold and Zero functions. Positive/Reverse display for easy readability. Large LCD with back light feature RS-232 PC interface. Optional software available (407001). Complete with tension and compression adaptors, six AA 1.5V batteries, and case.