1)Advanced 8-beam CCD image measurement system,which with high precision ,strong resistance for environmental interference,and good repetition. 2)All digital sensor,LED electronic gradienter structure,which keep step with mumeral era. 3)Adopting wireless communication,free frequency-brand could communicate freely. 4)Special sensor with LCD screen and sensitive to light,which shows measurement results directly on the screen,and with the function of all-day working even if without power or lighting. 5)Turning measuremnt could adopt 8 degree no turntable megsurement. 6)3D course navigation ,equipped with voice indication and voice indication and video direction. self-diagnose system could discover and indicate system error and solved ways
