General Description: The digital angle gauge with dual scale is a professional tool designed to ensure optimal accuracy when measuring angles. With an accuracy of ±0.2° and a measuring range of 0 to 360°, it is ideal for various applications such as woodworking, architectural interior design, mechanical processing, architectural drawing, and DIY projects at home. Technical Specifications: Folded length: 200 mm (7.9 inches) Accuracy: ±0.2° Measuring range: 0-360° Usage: This protractor is equipped with several practical functions: ON/OFF/ZERO buttons (long press the OFF button to turn off) HOLD button to lock data, preventing deviations D/M button to change measurement modes It is lightweight and portable, offering a safer alternative to stainless steel protractors. In addition, its large LCD screen makes it easy to read data, making the tool accessible even for people with limited mobility.