Features: High accuracy Digital angles Finder with Magnetic Base delivers 0.1° resolution accuracy, perfect for engineering projects and meticulous craftsmanship requiring exact angular measurements. Features a bright LCD screen for error easy readings, built in addition/subtraction functions, and 1 touch auto 0 capability to simplify complex measurement tasks. Essential for professional like engineers, carpenter, and enthusiasts working on construction site , woodworking shops, or home renovation projects. Ideal for measuring roof slopes, furniture angles, machinery alignment, and classroom geometry demonstrations with its portable magnetic design. Crafted from strong ABS component , this digital protractor combines hard reliability with pocket sized convenience, outperforming traditional analog tools through digital accuracy and multifunctional versatility. Specifications: Component : ABS. Dimensions: about 6x6x2.5cm/2.4x2.4x1inch Measuring ranges: 90°. Measurement accuracy: ±0.3mm. Working distance: 5m. Working temperature: 0~40℃ Package Includes: 1xDigital Protractor note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.