Laser rangefinder, high-precision infrared handheld electronic measuring instrument, how to use?
If measured, the meter will have a sound prompt to record the length.
Laser rangefinder, high precision infrared handheld electronic measuring instrument:1, press the open key2, infrared tester to the lower end of the measurement, according to measurement.
It looks simpler. There is a direct conversion. You can see in the picture, a measurement of length and width and height square cubic Pythagorean theorem etc.
