• Digital caliper with LCD screen for quick and accurate results. • Measurement range: 0-150 mm (0-6 inches) with a resolution of 0.1 mm (0.01 inches) and accuracy of ±0.2 mm (0.01 inches). • Made of plastic and carbon fiber composite material, durable and lightweight. • Ideal for measuring external, internal diameters, and depths, suitable for use in schools, homes, laboratories, and factories. • Includes reset function and conversion between millimeters and inches. • Automatic shutdown after 5-8 minutes to save battery. • Product dimensions: 28.5 cm long, 10 cm wide, and 2 cm high.