Detailed Description  Basic function Range Measuring Range 1.2-225.0mm(Steel) Accuracy ±(1%±0.1)mm  Pipe Measuring Lower Limit φ20*3mm(Steel)  Sound Velocity Range 1000-9999m/s  Working Frequency 5MHz  Working Temperature Range 0-45  Express function  Automatic Zero Adjustment √ Data Store Function 12 units Auto Power Shut Off √ Low Battery Indication 3V±0.2V LCD background light √ General Features  Standard Accessory standard sheet gauge×1pcsiron base material for calibration×6pcs coupling liquidUser's Manual×1pcs Gift box Battery Type 3×AAA Ni-Cd or Ni-Hm Battery  Dimension 70x35×140mm Weight 200g  MOQ 5pcs  Ctn Size 350x220x200mm Q'TY / Ctn 5pcs / GW/TW 9kg/8kg