1. Professional dual camera, one-step measurement and setting out; Non contact measurement greatly improves the usable range of GNSS and ensures efficient and safe operation; High performance image processing technology based on Android, real-time coordinate acquisition by hand book, operating distance 2-15m, accuracy 2-4cm; Seamless switching between hand thin 360 degree AR lofting and host image lofting, immersive lofting, fast and accurate lofting, with an accuracy of better than 2cm.

2. New Senseless IMU; Automatic initialization upon startup; Testing on arrival, efficient and convenient; Stable and not easy to exit, with reliable accuracy