A very useful tool for various types of applications in construction and industries. It is very useful and convenient to give an accurate measurement of distance, area, and volume especially in large areas such as rooms, apartments, buildings, real estates, factories, warehouses, gardens, roads, infrastructures, etc. that requires accurate results for distance, area and volume measurement. Features: High accuracy Quick measurement of distance, area, and volume Automatic calculation of area and volume Indirect measurement by Pythagorean Theorem Continuous measurement Min/Max distance tracking Easy addition/subtraction of measurement Switchable among meter (m), inch (in), feet (ft) Easy targeting with bright laser pointer Large LCD with backlight IP54 Splashproof Display illumination and multi-line display 100 data records Bubble level equipped as a spirit level tool Auto-correction and error report technology Low battery indication Auto / manual power off function Specifications: Distance Measurement Precisions: ±2mm (±0.08 inch) Laser Level: II Laser Type: 635nm