2-in-1 Laser Distance Meter: Dual function allows you to measure up to 40m using the laser (Class II laser, 650nm wavelength, power < 1MW) and up to 5m using the classic tape measure. Three universal measurement units are available: m / in / ft (meters / inches / feet). High Precision: The measuring accuracy of this laser distance meter is 3 mm. With a simple press of the dedicated button, it is possible to change the measurement reference: from the front or the back of the device. Easy to calibrate the rangefinder to ensure accurate measurement results. Four measurement modes: Distance measurement (single press or continuous), area/volume calculation, and diagonal calculation (hypotenuse calculation of a right triangle). User-friendly interface and design: The laser rangefinder is equipped with an LCD display. Measurement results are clearly visible even in direct sunlight. It comes with a detachable belt clip with a sliding closure for easy carrying. The laser rangefinder comes with a USB charging cable and can be used 3000 times after being fully charged.