1[High Accuracy] Laser rangefinder provides higher accuracy and faster angle measurement, easier to find horizontal direction, self calibration, more accurate measurement results. 2[Fast Measurement] The laser rangefinder's high accuracy laser head assembly provides fast and accurate measurements in 0.5 seconds. 3[Automatic Calculation] The laser rangefinder measures only 2 beveled edges, the vertical height is automatically calculated, and the area and volume are automatically calculated in one click. 4[Powerful] The laser rangefinder has 30 data records and callback functions and automatically shuts down after 150 seconds of no operation to save power. 5[Wide Application] The laser rangefinder is suitable for large areas such as apartments, buildings, factories, warehouses, construction and industrial sectors.