ELECTRIC ANGULAR SENSOR & BUILT-IN LI-ION BATTERY: Powered by large capacity Li-ion battery, it can work up to 8000 times when fully charged. There is no need to replace the battery frequently, which makes your work more efficient. Equipped with an electronic angle sensor, the laser distance meter provides higher accuracy and faster angle measurements. MULTIPLE MEASUREMENT MODES: This laser distance meter provides angle, area, of distance, volume and Pythagoras. Featuring functions of continuous measurement, addition and subtraction, calibration, automatic area and volume calculation and 30-group data memory function, it is ideal for home, construction or ACCURACY AND HIGH SWITCHING: Huepar distance measurement features long-range measurement with extreme precision and can measure distances up to 120m in 2mm. The tool can measure from front/mid/rear reference points, making it easy to measure in different scenarios. All measurements are displayed in real time and can be switched between M/In/Ft freely. low lighting. Automatic shutdown without operation after 150s. The volume control allows the user to freely adjust the volume for quiet areas such as libraries. (The laser measure is designed for indoor use. To use it outdoors, make sure it is not exposed to direct sunlight.) STURDY AND DURABLE DESIGN: The measure Huepar laser distance meter is IP54 certified to withstand harsh working environments. It features small dimensions and a handy pocket size so that this laser device can fit in any pocket. The 1/4 inch threaded mount allows it to be attached to a tripod or other tools. Package Contents: 1 x Wrist Strap, 1 x USB Cable, 1 x Portable Bag, 1 x Box, 1 x User Manual, 1 x Reflector