Multifunctional Angle Finder with metric (mm) and imperial (inch) measurements on the ruler edge, featuring an accurate digital display for measuring angles and distances. Includes horizontal and vertical bubble levels to assist in alignment and calibration. Note: bubble levels are not displayed on the LED screen but serve as visual aids for positioning.High Accuracy Digital Angle Finder measures from 0 to 360 degrees, capable of measuring internal, external, and contra angles. Measurement accuracy is ±0.5° with a resolution of 0.05°. Switch between degrees and minutes for enhanced precision to meet various measurement needs.Equipped with Data Hold function: press the hold button to freeze the reading at any angle, allowing efficient recording of measurements. The angle lock feature helps maintain accuracy, making it ideal for woodworking, construction, and drafting applications.Powered by a durable battery with extended lifespan, supporting continuous operation for over 2000 hours. Features auto power-off to conserve energy and prolong battery life. Includes a large LED display for clear and easy reading.Wide range of applications: commonly used in carpentry, furniture making, construction, home improvement, DIY projects, education, and mechanical processing. Suitable for angle adjustments on table saws, miter saws, band saws, and similar tools.