[Two in one laser range finder]: The dual function allows the use of the laser (class II laser, wavelength 650nm, power <1MW) to measure up to 40m, and the classic colored strip meter to measure up to 5m. Provides three general measurement units: Meters / Inches / Feet (Meters / Inches / Feet). [High Accuracy]: The measurement accuracy of this laser rangefinder is 3mm. You can change the measurement reference with a single click on a dedicated button: from the front or the back of the device. The range finder can be easily calibrated to ensure the accuracy of the measurement results. [Four measurement modes]: distance measurement (single or continuous pressure), area / volume calculation and diagonal calculation (hypotenuse calculation a right triangle). [Humanized interface and design]: The laser rangefinder is equipped with a liquid crystal display. Even in direct sunlight, the measurement results are clearly visible. Equipped with a detachable belt clip with a sliding joint for easy carrying. The laser range finder comes with a USB charging cable, which can be used 3000 times after being fully charged. Scope of delivery: 1 * Tape measure