This is a practical 2 in 1 angle ruler. It can be used as ruler and protractor. The large LCD display is very convenient for reading. If you are looing for a digital LCD Display angle ruler, it is your perfect choice. Features: It can both measure length (0-200mm/0-8 inches) and angle(0-360) quickly and accurately. 360complete measurement. Simple operation with complete function. LCD display is more convenient for reading. Degree scale is clear and exquisite. Come with locking knob, it is more convenient to hold the angle in any position. Suitable for woodworking, adjusting angles of saw, vehicle maintenance and repairing, construction, drawing, etc. Specifications: Material: ABS material Measuring range: 0-360 degrees; 0-200mm Resolution: 0.05 Cell: 1 * CR2032 cell (not included) Length: 200mm Package size: 325 * 85 * 40mm Package weight: 97g Packing List: 1 * Ruler