This is a high-precision professional laser rangefinder Instead of cheap plastic toys Matte body Backlit display Sensor layout Spectroscopic lens Multiple modes Waterproof and dustproof High precision, long range The measuring range is as high as 40 m, and the measurement accuracy can reach 0.0015 m 0.5S high-speed measurement, assisted by the core chip and optical lens, greatly improves the efficiency of the measuring room and greatly reduces the workload. High-definition backlight, clear and bright, after 15 seconds of inactivity, the backlight will automatically turn off to save energy. Dustproof and splashproof, easy to deal with in any situation. The weight of the entire machine is nearly 85 grams, which is extremely light and easy to carry. It can store 4 sets of data to meet the needs of pragmatic use. Introduction to using the buttons Introduction to the display interface Measure function: Measure in a straight line Maximum/minimum measurement Surface measurement Volume measurement 1 Pythagorean measurement 2 Pythagorean measurements One key switch unit Product Parameters: Battery capacity: 200mAh Charging time: 30 minutes Measurable times: 2000 times Size: 10 x 3 x 1.6cm Weight: 85 grams Measuring range: 40m Measurement accuracy : 2mm Waterproof: IP54 Material : PC ABS New look, old look, two appearances are shipped randomly.