1.It is graceful, steady-going and low noise
2.A function of moment feeding back
3.The digital display is clear and direct-viewing. With a hand control mouse and facilitated in operation
4.Show accurate angle, the error with the actual angel is within 2°degree.
5.Setting automatic round number of time:0~10times
6.The time of suspending when changing:0~10seconds
7.It can link with computer, check the record and save it as much as 50 times