1Imported Optical Focusing Lens: Imported optical lens, highperformance laser module, accurate and stable measurement, fast and low power consumption. 2Double Stability: Two way horizontal bubble on the horizontal axis and the vertical axis, built in0.5 accuracy tilt sensor, can clearly and intuitively display the real time deviation angle, easy to find the angle. 3Data Memory Storage: Making it easier to check the data, measure multiple times, and the data can be checked at any time, up to 99 groups of memory storage. 4Fast Measurement: The laser distance measure provides accurate reading, millimeter level measurement, sensitive response, intelligent voice broadcast. 5Intelligent and Wide Application: The laser distance measure turns off automatically after 3 minutes, suitable for indoor home improvement, construction, furniture.