Highly Accurate: This state-of-the-art digital laser meter provides accurate and fast results, meeting your measurement requirements. The device comes with 3 units of measurement available, meters, feet and inches, and a 20-entry historical data memory. LCD backlight and silent setting: The automatically backlit screen gives you better visibility in low light conditions; Silent setting allows you to turn the beep on or off, great for different places. Different Functions and Mode: The laser tape measure with level supports continuous measurement function , Pythagoras measuring function, area measuring function, volume measuring function, digital distance measuring tool is widely used. Widely used in construction and industries, especially in large spaces such as rooms, apartments, buildings, real estate, factories, warehouses, etc. Portable and Ergonomic: The special design of this counter distance laser allows easy handling. The handy, compact and accessible form offers a perfect grip, while the waterproof function ensures the durability of the device. Robust housing – IP54 waterproof and dustproof for more protection of the rangefinder . Features: Measuring range: 0.2-40 m Measurement accuracy: ± 2 mm. Class of laser: 2 M II. Type of laser: 620-690 nm, &lt; 1 mW. Area measurement: yes. Volume measurement: yes. Pythagorean theorem measurement: yes. < p>Addition and subtraction method: yes. Measurement tracking: yes. Maximum and minimum measurement: yes. Backlight: yes. Audible indications: yes. Data deletion: yes. Data storage: group 20. Waterproof water and dust: IP 54. Operating temperature range: -10 to 40°C. Storage temperature: -20 to 70°C. Power supply: AAA LR6 2 x 1.5 V (not included). Automatic laser switch-off after 30 seconds. Automatic switch-off: 3 min. Dimensions of the instrument: 115 x 49 x 25 mm