- 8 functions: Linear measurement, circular arc measurement, arbitrary curve measurement, irregular surface measurement, cylindrical diameter measurement, cumulative subtraction, measurement prompt sound, unit switching
- Diverse scenarios: flat, curved, irregular surface, the diameter of the circumference, a soft object can be measured, covering life, all phases, convenient and efficient
- Material: Aluminum + Silicone
- Only 35g, compact and convenient
- 99m long distance
- Lithium battery direct , 200 days long standby.