General description This 2-in-1 Laser Tape Measure combines a 5m traditional tape measure with a 40m laser rangefinder, offering a versatile solution for all your measuring needs. With an accuracy of ±2mm, it is perfect for measuring various lengths, whether it's the dimensions of a room or smaller objects like a pen. The device features multiple measurement modes, including area, volume, and Pythagorean theorem calculations, making it a powerful tool for both professionals and DIY enthusiasts. Technical specifications Measurement range: 5m (tape) and 40m (laser) Accuracy: ±2mm Units: Meters, feet, inches Power source: USB rechargeable Compatibility and accessories Includes USB charging cable Anti-lost wrist strap for secure handling Installation No installation required; ready to use out of the box Usage One-key distance measurement Continuous distance measurement Automatic calculation of area and volume Switchable measuring base for convenience Magnetic head for easy measurement on