This laser rangefinder uses laser technology to accurately, quickly, and easily measure distance, area, and volume. The measuring range is 40m wide, and the accuracy can reach plusmn1.5mm. In addition, the meter can use Pythagoras to indirectly measure distance or length. The meter also has a variety of functions, including continuous measurement, plus/minus function, and maximum/minimum measurement. Other main functions include 20 data memories, switchable units (meters, inches, and feet), and a backlit LCD with a multi-line display. This precise rangefinder can be used in homes, buildings, industries, houses, warehouses, etc. USB charging: comes with a USB data cable, built-in rechargeable lithium battery (200mAh), don't worry about low battery affecting the measurement Intelligent calculation and higher accuracy: the laser rangefinder can calculate automatically and has error reporting technology. M/In/Ft units can be switched freely, the accuracy is ±1/16 inches, and the measurement range can reach 98 feet (30 meters), which can meet your daily measurement needs Wide range of applications: with multiple measurement modes such as distance/volume/area measurement, continuous measurement, and Pythagorean measurement, it is an ideal choice for home, construction, and industry, especially in rooms, apartments, buildings, real estate, factories, large areas, warehouses, etc. Portable and small: only 29g, very easy to carry, lightweight, and compact design provides a good sense of operation The LCD with backlit, which is better visibility in low light conditions Specifications: Measuring range: 0.05-40m (0.16-131ft) Material: ABS Measuring time: 0.1-3s Display: LCD with backlight Accuracy: ±2mm Unit of measurement: meters/inches/feet Laser class: Class II Laser wavelength: 635nm Laser output: <1mW Waterproof and dustproof: IP54 Automatic laser shutdown: 30s Automatic power-off: yes Measurement reference switch: Yes Power supply: rechargeable lithium battery (200mAh) Working temperature: 0~40℃ / 32~104℉ Storage temperature: -20~60℃ / -4~140℉