3-in-1 MEASUREMENTThis laser tape measure combines 131ft/40m laser measure with 16ft/5m tape measure and 32ft/10 cross 90 laser line m. AUTOMATICALLY LOCKED TAPEThe tape will automatically lock the position after being pulled out, just press the gray button to rebound automatically. It is very convenient and safe, does not hurt your hands. And you can easily carry anywhere with the hand strap and belt clip. Sturdy and durable, easy to carry. LED BACKLIGHT DISPLAY AND DATA STORAGELarger LED backlight display helps you read laser ranging numbers clearly even in direct sunlight or harsh weather conditions. dark environment; Store up to 20 measurements, laser tape measure auto power off to save power. MULTI-FUNCTION MODEDigital laser tape measure for area measurement, area measurement volume, Pythagorean measurement, double Pythagorean measurement and cross laser line to satisfy all your needs. HIGH PRECISIONLaser measurement precision: +/- 2mmIt is available to perform continuous measurement, accurate distance can be read within the effective range while moving. Class II laser output 1mW output power. Number of shipments: 1 pieces (without battery)