1) Measuring range(metric/imperial):1.5-200mm,0.06-8inch

2) Operating principle: ULTROSONIC

3) Materials measured: only 11 types of materials, including steel, cast iron, aluminum, red copper, brass, zinc, quartz glass, polyethylene, PVC, gray cast iron, nodular cast iron

4) Calibration block: included

5) Resolution:0.1mm

6) Power supply: 4x1.5vaa(UM-3) battery

7) Battery indicator: low battery indicator

8) Dimensions:160x68*32mm

9) Weight:208g(not including battery)