1Multifunctional: This infrared ruler has several measurement functions: distance, area, volume, pythagorean, plus or minus, maximum and minimum, and automatic calibration. 2Widely Used: This distance meter is widely used in interior decoration, interior design, construction, house renovation, factories, warehouses, etc. 3Data Storage: This measuring instrument also supports data storage function. You can keep the previous data, which is more convenient for your work. 4Portable and Easy to Carry: Small in size and light in mass. This distance meter is very easy to carry, you can even put it directly in your jacket pocket. 5Easy to Use: With one key measurement function, our distance meter is simple to operate and easy to use. Equipped with HD display, the data is more convenient to read.