Professional 360° Measuring Tool: Experience unparalleled accuracy with our digital protractor, designed for precise angle measurement. Measuring range: 0–360°. Accuracy: ±0.3°. Resolution 0.05° | Quick & Easy Data Reading: Featuring a large display, this angle gauge ensures quick and easy reading of measurements—no more guessing angles! It helps you complete your work efficiently. | Convenient Operation: The protractor powers on automatically when in use, ensuring a seamless workflow. It also features an auto shut-off after 6 minutes of inactivity to conserve battery life. | Durable Construction: Made from enhanced ABS, our protractor is built to last. With finely finished edges and corners, it prevents your hands from getting scratched. | What You Get: Digital angle gauge, 2 batteries (one inside the digital display angle ruler and one individually packaged), and friendly customer service.