Scanning distance: 20m(@90% reflectivity); 10m(@10% reflectivity) Measurement accuracy: ±2.0cm Nearbyblind area: 0.05m Sampling frequency: 43200points/s Effective frequency: 21600points/s Circumferential scanning frequency: 11Hz Vertical scanning frequency: 180Hz Communication interface: TTL UART IMU: 3-axis acceleration +3-axis gyroscope Human eye safety level: Class 1(IEC60825-1:2014) Human eye safety