Features 1、Magnetic Base for Secure Attachment: This angle protractor features a magnetic base that securely attaches to the measuring surface, allowing you to conveniently measure angles on various workpieces. 2、Switch between Relative and Absolute Measurements: With the ability to switch between relative and absolute measurements, this inclinometer bevel box offers flexibility in capturing accurate angle readings based on your specific needs. 3、Angle and Slope Conversion: The digital electronic protractor inclinometer enables easy conversion between angle and slope measurements, making it versatile for a wide range of applications, from carpentry to engineering. 4、Data Hold for Easy Reading: Equipped with a data hold function, this level angle finder allows you to easily lock the measured angle value, ensuring convenient reading without worrying about fluctuations during measurement. 5、Portable Size for Versatile Use: With its compact and portable size, this bevel protractor can be easily used in conjunction with other measuring tools, expanding the measurement range while providing convenience and accuracy. Specification Specifications: Color: Red / Black / White (Optional) Model: JD10 Material: ABS Measuring Range: 4 * 90° Display Resolution: 0.05°0.05°(<100°), 0.1°(100°~180°) Accuracy: ±0.1° Repeatability: 0.1° Operating Temperature: 0°C~50°C Power Supply: 2 * AAA dry batteries (Not included) Item Size: 57 * 57 * 25mm / 2.24 * 2.24 * 0.98in Item Weight: 53g / 1.86oz Package Weight: 70g / 2.46oz Package Size: 7.2 * 6.7 * 3.25cm / 2.83 * 2.63 * 1.27in Package List Package List: 1 * Protractor 1 * Screwdriver 1 * User Manual (English)