Function:

1.Measuring range:40/60/80/100 meters
2.Single measurement, continuous measurement (maximum/minimum value)
3.Front benchmark, back benchmark
4.Addition measurement, subtraction measurement
5.Area, volume, trigonometric function, Pythagorean theorem measurement
6.Timing measurement
7.Data storage
8.Unit: meters, feet, inches
9.Voice function
10.USB charger

 
 Sketch map