Features: Large LCD Backlights Display: Data retention and slope function with large LCD backlights display, easy to read measurement data. Angle gauge has a HOLD button to freeze the display for easier reading. The bottom is built-in strong magnets for attaching on metallic surfaces firmly. Compact and portable, widely application.Suitable for construction workers, decorating designers, maintenance workers, carpenter or other professional. 360°comprehensive measurement. Specifications: Working range:4 x 90° Accuracy: 0 & 90°: ± 0.1°, the rest: ± 0.2 ° Resolution:0.05° Relative Measurement: set any angle to 0 Size:Approx.56x54x26mm/2.20''x2.13''x1.02'' Package Includes: 1x Angle Finder note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.