Feature: 1. Practical and hard aluminum alloy casing, has a long service life. 2. Strong magnets at the bottom to absorb the workpiece for easy measurement. 3. Data hold and slope function, large LCD backlight display for easy reading of measurement data. 4. Relative/absolute measurement interchange at any position. 5. Portable size, convenient to co-work with other measuring tools and enlarge measuring range. 6. It is widely applied in wood processing industry (especially in furniture manufacturing industry) for household or industrial use. Specification: This is a portable digital display protractor, compact and small, can be used at home or industrial use. It also has high accuracy, and easy to use. Features: Practical and hard aluminum alloy casing, has a long service life. Strong magnets at the bottom to absorb the workpiece for easy measurement. Data hold and slope function, large LCD backlight display for easy reading of measurement data. Relative/absolute measurement interchange at any position. Portable size, convenient to co-work with other measuring tools and enlarge measuring range. It is widely applied in wood processing industry (especially in furniture manufacturing industry) for household or industrial use. Specification: Material: aluminum alloy+ABS Main color: black Display: LCD backlight display Measuring range: 4 * 90° Resolution: 0.05° Accuracy: ±0.2° Repeatability: 0.1° Battery: 2 * AAA battery (not included) Working temperature: 0℃-40℃ Item size: 56 * 54 * 26mm / 2.2 * 2.1 * 1.0in Package size: 80 * 65 * 35mm / 3.1 * 2.6 * 1.4in Package weight: 84g / 3.0ounce Packing List: 1 * Digital Inclinometer 1 * User Manual Package List: 1 * Digital Inclinometer 1 * User Manual