General description The Digital Angle Ruler Protractor is a versatile tool designed for precise angle measurement. It combines the functions of a protractor, spirit level, circular spirit level, and ruler, making it an essential instrument for DIY enthusiasts and professionals alike. With a measuring range of 0-999.9°, it supports both degree and degree/minute unit conversion, ensuring accurate readings for various applications. Technical specifications Measuring range: 0-999.9° Resolution: 0.05° (3') Accuracy: ±0.5° Length: 230mm Usage To lock the data, press the HOLD button. The zero button allows for resetting to zero at any position, suitable for both absolute and relative measurements. The large full-screen LCD screen provides easy and quick data reading. Automatically turns off after 5 minutes of inactivity to conserve power. Other information Made of high-strength nylon fiberglass for durability and wear resistance. Lightweight and portable design with a hanging hole for easy