General description This 2-in-1 Laser Tape Measure combines a 5m traditional tape measure with a 40m laser distance meter, providing versatility and accuracy for all your measuring needs. With a measurement accuracy of ±2mm, it is perfect for both small and large measurements, whether you're measuring a room or a small object like a pen. Technical specifications Measurement range: 5m (tape measure) and 40m (laser measure) Measurement accuracy: ±2mm Units: Switchable between meters, feet, and inches Power source: USB rechargeable Usage One-key distance measurement Continuous distance measurement Automatic calculation of area and volume Pythagorean theorem calculations Magnetic head for easy measurement on metal surfaces Other information Equipped with an anti-lost wrist strap Clip design for easy carrying Includes USB charging cable