Features: Data lock for easy reading. Angle and slope conversion. Conversion between relative measurement and absolute measurement. Portable size, easy to use with other measuring tools and expand the measuring range. Apply for wood processing, horizontal measurement, automobile repair industry, processing and more. Specifications: Material: Metal Size: Approx. 50x7x2.1cm/19.7x2.8x0.8in Measuring Range: 4x902x180 Display Resolution: 0.01 Accuracy: 0.01 Repeatability: 0.01 Operating Temperature: 0C~40C Color: Black/Red Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Angle Finder