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. 1 x Angle Gauge1 x Storage Bag Item Type: Digital Angle GaugeMaterial: Aluminum AlloyBattery: 2 x AAA Battery (battery not included)Measurement Range: 4 x 90°Digital Display Resolution: 0.05°Digital Display Accuracy: ± 0.1°Measurement Unit: Degree, %, mm, m, IN, FTBase: Built in magnet, can be fixed on any metal surface.