1、HIGH ACCURACY: This digital protractor is suitable for leveling objects and measuring angles with consistent accuracy (±0.1° at 0° and 90°, ±0.2 ° for other angles). 2、LED SCREEN: This angle gauge adopts LED screen, 0.05° resolution, features backlight, large font, and reversible screen, can be used in long distance or low light scenes. 3、MEASURING MODE: Supports absolute and relative angle measurement, with degree, %, mm/m, and IN/FT units, automatic shutdown without operation for 3 minutes. 4、MULTIPLE FUNCTION: Magnetic base for easy fixation on metal, V shape slot edge for placing on pipe and curve, with automatic reversible display, buzzer sound, and calibration function. 5、APPLICABLE FIELDS: This magnetic angle gauge is suitable for decoration, woodworking, construction, machinery, and car repair, can be used for desktop saws or diagonal saws.