Want a professional laser distance meter with higher precision? Try this mini Laser Distance Meter. It can measure the distance, area and volume. It also can be usedfor indirect measurement by Pythagorean theorem. Simple in operation, accurate in measurement, fit size for your palm, super light weight for easy carry. This laserrange finder, as a superior measuring tool can be widely used in construction and industries, especially in large areas such as rooms, apartments, buildings, realestates, factories, warehouses, etc. Features: Higher Accuracy: With unique new design of dual air bubble level, providing more precise measurement compared to one bubble, high accuracy: ±2.0mm. Better Operation: Handy and compact design provides good operation experience, large LCD display with backlight digits for easy and clear readings. Multiple Measurement Modes: Distance/area/volume/single/Max&Min/continuous measurement and indirect measurement by Pythagorean theorem. Various Settings: 30 groups data memory, 3 measurement units: m/in/ft, buzzer 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 estates, factories, warehouses,etc. Specifications: Color: Black Measuring Range: 0.05-50m / 0.05-70m / 0.05-100m / 0.05-120m (Optional) Distance Unit: m/in/ft Area Unit: m²/ft² Volume Unit: m³/ft³ Material: ABS Accuracy: ±2mm Laser Type: Class II, Laser Wavelength 635nm, <1mW Single/Continuous Measurement: Yes Area Measurement: Yes Volume Measurement: Yes Pythagorean Theorem Indirect Measurement: Yes Add/Subtract Function: Yes Max/Min Measurement Display: Yes Dual Air Bubble Level: Yes Buzzer Indicator: Yes Data Storage: 30 Groups Benchmark: Front/Rear Reference Dust & Water Splash Proof: IP 54 Battery Life: 8000 times for single measurement Laser Lasting Time: 20s Auto Power Off: 150s Operation Temperature: 040°C / 32104°F Storage Temperature: -2060°C / -4140°F Power Supply: 2 * 1.5V AAA Batteries (Not Included) Item Size: 112 * 50 * 25mm / 4.4 * 2.0 * 1.0in Item Weight: 89g / 3.1oz Package Size: 16 * 8.6 * 5cm / 6.3 * 3.4 * 2.0in Package Weight: 175g / 6.2oz Package List: 1 * Laser Distance Meter 1 * Target Reflector Board 1 * Storage Bag 1 * Hand Strap 1 * User Manual(English)