Characteristic:

1.Pre-installed variety of measurement programs2.All letters keyboard :Numbers, letters, special symbols quick input. Unique multi-function   keys to provide lighting and many additional function.3.Dual-axis compensation:Even if not completely leveling, it can also correct the error to make accurate measurements. It is also a powerful guarantee of high accuracy angle measurement.

Specification

Angel measurement accuracy       2"Magnification                                 28X (Free prism)          30XAperture              45mmMin Focus Distance                         1mStandard deviation                         ±(2mm+2ppm•D)Distance Measurement (Good atmospheric condition)     Free prism              200m (Kodak Gray Card: 90% reflective)     Single prism            5.0kmMeasurement  time         Fine Mode Accuracy              1.8s(First time 2.5s)      Tracking mode                      0.4s(First time 1.5s)    Minimum reading                    1mBattery Operating Time       Complete unite                     8h     Angle measurement only      16h