Small and lightweight design makes it convenient to carry. Powerful built-in magnets on the base securely attach to any ferrous metal surface. VA screen display enhances readability with illuminated digits and letters on a black background, easy to read in bright sunlight or low-light conditions. Display automatically inverts when turned upside down. Auto power-off after 3 minutes of inactivity. Angle finder/protractor provides quick and accurate measurements for woodworking, construction, machinery, telecommunications, automotive applications, and more. The VA screen ensures clear visibility. Compact and lightweight for easy portability and use. Base magnet allows secure attachment to steel objects. Ideal for measuring helicopter blade pitch, miter saw bevel angles, automotive diagnostics, and repair tasks. Specifications: Measuring Range: 4x90 Accuracy: 0.2 Resolution: 0.05 Size: 36x36x20mm Net Weight: 27g Water Resistance: IP54 Power: 3.7V 260mAh lithium battery Color: Black Material: Plastic Package Contents: 1 x Digital Angle Finder 1 x USB Cable Note: Light reflection and screen differences may cause slight color variation between the image and the actual item. Measurement error tolerance: +/- 1-3cm.