Features 2-in-1 Measurement Tool: Stainless steel digital angle finder ruler combines a ruler and protractor for easy and precise measurements, making it a versatile addition to your toolbox. Clear Digital Display: The digital angle finder features a clear screen display for quick and easy reading of measurement results, enhancing efficiency and accuracy in angle and length measurements. Secure Data Lock: Equipped with a data lock function, the digital display angle ruler allows you to rotate and lock the data, ensuring measurement integrity and ease of use. Convenient Locking Device: The well-designed locking device enables easy angle locking with a simple twist, freeing your hands and enhancing user convenience. Multi-Purpose Protractor: This multifunctional angle ruler is widely used in automobiles, construction, woodworking, engineering, and more, making it an essential tool for various professional applications. Specification: Item Type: Digital Angle Finder Ruler Model: PD290 Material: Stainless Steel Uses: Automobiles, Instruments, Construction, Shipbuilding, Woodworking, Engineering, etc. Battery: 3V CR2032 x 1 Button Battery (without Battery) Measuring Range: 0-360° Scale Unit: Metric Scale, Imperial Scale Graduation Value: 0.05° Accuracy: ±0.2 Repeatability: 0.05° Switch Key: ON OFF Clear Key: ZERO Lock Data Key: HOLD (Short Press this Key) Rotating Display Key: Rev (Long Press this Key for Three Seconds) Package List: Item Type: Digital Angle Finder Ruler Model: PD290 Material: Stainless Steel Uses: Automobiles, Instruments, Construction, Shipbuilding, Woodworking, Engineering, etc. Battery: 3V CR2032 x 1 Button Battery (without Battery) Measuring Range: 0-360° Scale Unit: Metric Scale, Imperial Scale Graduation Value: 0.05° Accuracy: ±0.2 Repeatability: 0.05° Switch Key: ON OFF Clear Key: ZERO Lock Data Key: HOLD (Short Press this Key) Rotating Display Key: Rev (Long Press this Key for Three Seconds) Package List 1 x Digital Display Angle Ruler