Features Clear and Intuitive Digital Display: The digital display panel provides a clear and intuitive measurement of angles, enhancing accuracy and ease of use. Convenient Locking Knob Design: Features a locking knob design for easily securing the angle at any position, ensuring precise measurements and efficient workflow. Secure Battery Compartment: Accurate battery compartment design prevents accidental ejection, ensuring uninterrupted operation and reliability. Sturdy and Durable Construction: Made of high-quality plastic, the protractor ruler body is sturdy and durable, suitable for various fields including construction, woodworking, and home decoration. Versatile Application: Ideal for use in construction, workshop, woodworking, and home decoration, offering precise measurements and reliable performance. Specification: Item Type: Digital Protractor Specification: 0-200mm / 8 inches Measuring Range: 0-360 Degree Accuracy: ±0.3° Resolution: 0.05° Battery: 3V CR2032(not include) Battery Life: About 1 year Operation: On/Off/Reset: Power switch button and reset button; Press this button to turn on the power; Short press this button to reset; Long press this button to turn off the power; Hold: Press the (Hold) button, "H" will appear in the upper right corner to save data and return to measurement mode again. Package List: Item Type: Digital Protractor Specification: 0-200mm / 8 inches Measuring Range: 0-360 Degree Accuracy: ±0.3° Resolution: 0.05° Battery: 3V CR2032(not include) Battery Life: About 1 year Operation: On/Off/Reset: Power switch button and reset button; Press this button to turn on the power; Short press this button to reset; Long press this button to turn off the power; Hold: Press the (Hold) button, "H" will appear in the upper right corner to save data and return to measurement mode again. Note: betweendiv>Random shipment of new and old models.between/div> Package List 1 x Digital Protractor