Features 1. The accuracy of the laser rangefinder is 2mm, and the measuring range ranges from 0.03m to 80m / 262ft. The laser rangefinder has an electronic bubble level, which can improve the accuracy.The last 20 sets of measurements can be saved and invoked. 2. The laser measuring device has a back/front baseline that allows you to quickly and automatically calculate area and volume;3 units are available: M/In/Ft (long press U button to switch units);Since the calibration;Add and subtract.Automatic shutdown, no operation 45s;After 15 seconds the screen is off, press the right button to restore the most recent measurements. 3. The sophisticated metal case of the digital ranging tool is more shock-resistant and provides a more comfortable touch.The IP54 waterproof rating and dustproof function maximize the protection of the laser tape measure.The wristband allows you to hold the meter steadily and carry it easily. 4. The laser rangefinder is powered by an energy-saving, environmentally friendly lithium battery and can be measured 3,000 times on full charge.The four-line data LCD display and hd backlight allow us to compare data more clearly and easily. 5. Multi-purpose laser measure device can be widely used in interior decoration, interior design, construction (rooms, buildings, factories, warehouses), etc. Very good for realtors. Specification: Weight: 45g Waterproof: IP54 Auto shut-down: 45s Laser level: Class II Laser type: 635nm< 1mw Power: USB charging Accuracy: 2.0mm Unit: meter / inch /feet(Long Press U button) Size(L*W*H): 4.33 x 1.38 x 0.83 in Measuring range: 0.03m--80m(262ft) Package Includes: 1x Laser Meter Rangefinder