[High Precision Measurement Range]: 0.02-60m; Accuracy: +/- 1.5mm (accurate to the 3rd decimal place); optical lens, measurement data is more accurate and stable, with self-calibration function. [USB Rechargeable, Easy to Use]: Comes with a USB charging cable, so you can say goodbye to batteries. With the touch of a button, you can quickly check the height and length of the building, or the surface area and volume, suitable for DIY enthusiasts and professionals, widely used on construction sites and especially in apartments, buildings, factories and warehouses, etc. [Automatic Shutdown Muting Function]: Muting function to prevent noise. LCD screen with backlight for long life, suitable for example in humid or dirty environments. [Various Functions Mini - Portable]: Distance measurement with stud accuracy, area, function volume (indirect measurement), continuous measurement function, addition and subtraction measurement, minimum and maximum value. Small and light, it can be put in your pocket after use.