Do you want a professional laser rangefinder with greater precision? Try this mini laser rangefinder. It can measure distance, area and volume. It can also be used for indirect measurement by the Pythagorean theorem. Simple operation, accurate measurement, size fits your palm, super light weight for easy carrying. This laser range finder, as a superior measuring tool, can be widely used in construction and industries, especially in large areas such as rooms, apartments, buildings, real estate, factories, warehouses , etc. Features: Higher Accuracy: With a new unique dual air bubble level design, providing more accurate measurement compared to a bubble, high accuracy: 2.0mm. Better Operation: Practical and compact design provides good operating experience, large LCD screen with backlit numbers for easy and clear readings. Multiple measurement modes: Distance/surface/volume/single/Max&Min/continuous measurement and indirect measurement by Pythagorean theorem. Various settings:30 groups of data memory, 3 measurement units: m/in/ft, ring indicator, addition and subtraction, automatic shutdown without operation 150s. Wide applications: Can be used in construction and industries, especially in large areas such as rooms, apartments , buildings, real estate, factories, warehouses, etc. Specifications:Color: BlackMeasuring range: 0.05-50 m / 0.05-70 m / 0.05-100 m / 0.05-120 m(optional)Distance unit: m/in/ftUnit surface area: m; /ftVolume unit: m/ftMaterial: ABS Accuracy: 2 mmType laser: class II, laser wavelength 635 nm, &lt;1 mWSingle/continuous measurement: yes Surface measurement: yes< br/>Volume measurement: yesPythagorean theorem Indirect measurement: yesAddition/subtraction function: YesMeasurement display Max/Min: YesDouble air bubble level: YesAudible indicator: Yes Data storage: 30 groups Benchmark: Front/rear referenceDust & Water splash resistant: IP 54 Battery life: 8,000 times for a single measurementLaser duration: 20 sAutomatic shutdown: 150 s; Operating temperature: 040C / 32104FStorage temperature: -2060C / -4140F Power: 2 x 1.5V AAA batteries (not included)Item size: 112 * 50 * 25mm / 4.4 * 2.0 * 1, 0 inItem weight: 89 g / 3.1 oz Package size: 16 * 8.6 * 5 cm / 6.3 * 3.4 * 2.0 in Package weight: 175 g / 6.2 ozPackage list: 1 * Laser Range Finder 1 * Target Reflector Board1 * Storage Bag 1 * Wrist Strap1 * User Manual (English)&lt;/ p&gt;