The laser distance meter with high precision can be used to measure the distance, area and volume. It can also be used for indirect measurement through Pythagorean theorem. The product is portable and reliable in measuring, making your measurement more accurate, simple and faster. The meter can be widely used in construction industries, especially for large areas such as rooms, apartments, buildings, real estates, factories, etc. Features: Durable metal housing, anti-sweat and anti-fall.IP54 protection grade, dustproof and waterproof. Compact and small, easy to operate and carry. Simple control, high accuracy, fast response, stable performance. Backlit digital display LCD screen for clearer data reading. Not only can measure straight lines, but can also measure area, volume, Pythagorean, maximum and minimum values. Long press the power button for 2 seconds to measure continuously. The display units can be switched, and the units available for switching are m, in, ft. Wide range of applications, can be used in home decoration, office layout, teaching interaction, construction measurement, etc. Specifications: Material: Aluminium Alloy Color: Black Accuracy: ±2mm Resolution: 0.001m Measurement Unit: m, ft, in Measuring Range: 60m Measuring Time: 0.1~3seconds Laser Grade: Class II Laser Type: 635nm<1mW Water-proof and dust-proof grade: IP54 Angle: 0°~90° accuracy: ±1° Laser Auto-shut down: 15seconds Auto-shut down: 45 seconds Illumination: White LED Operating Temperature: 0~40°C Storage Temperature: -25~60°C Built-in Battery: 3.7V/200mAh Item Size: 10 * 3.2 * 1.8cm / 3.93 * 1.25 * 0.7in Item Weight: 50g / 1.76oz Package Weight: 99g / 3.49oz Package Size: 14 * 7 * 4cm / 5.51 * 2.75 * 1.57in Packing List: 1 * Laser Range Finder 1 * USB Charging Cable 1 * User Manual (English)