Distance Meter employs laser technology to measure distance, area and volume accurately, quickly and conveniently. This meter can make use of Pythagorean Theorem to measure distances or lengths indirectly when direct measurement is not feasible. 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 metre (m), inch (in), feet (ft) Easy targeting with bright laser pointer Large LCD with backlight IP54 Splash proof Display illumination and multi-line display 99 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