Sliding Bevel Protractor Square T Type Angle Gauge Digital Movable Woodworking Protractor Measuring Ruler 0-360 Feature: 1. NYLON FIBERGLASS: The level angle indicator adopts nylon fiberglass engineering material, with good rigidity, wear resistance and no deformation. 2. LCD DISPLAY: Large LCD display with measurement data, simple and convenient reading, and has auto shut-off function. 3. ERASE AND STORAGE: Any position can be cleared, which is convenient for absolute and relative measurements, and supports data storage for easy reading. 4. WITH SCALE LINES: With metric and inch double scale lines, convenient for reading and marking, convenient and reliable measurement. Specification: Item type: Digital angle finder Material: nylon fiberglass Measuring angle: 0-360 Accuracy: 0.5 Line length scale: Approx. 180 mm / 6 inches Display unit: degree and degree minute conversion Resolution: 0.05, 3' Battery: CR2032 3V, 200mAh button cell battery (included) Package List: 1 x Digital Angle Ruler 1 x Battery How to use: Install the battery, then turn it on to use.