Feature: 1. MEASURING RANGE: The protractor has a measurement angle range of 0-360° and a length range of 0-300mm, with a wide range of applications. 2. CLEAR SCALE LINES: This angle ruler has a white scale line with metric and inch specifications, making it easy to read, clear and intuitive. 3. LCD DISPLAY: This angle ruler uses a large LCD screen to display angle measurement data, with high accuracy and resolution. 4. LITHIUM BATTERY: This digital angle finder is equipped with a 180mAh lithium battery, ensuring long term life, convenient and practical. 5. WIDE APPLICATION: Widely used in woodworking furniture, building materials decoration, schools, home DIY, mechanical processing, etc. Specification: Item Type: Digital Angle Ruler Material: ABS Color: Black Measurement Angle: 0-360° Resolution: 0.05° Accuracy: 0.05° Range: Approx. 0-300mm / 0-11.8in Display Unit: Arbitrary conversion between degrees and minutes Battery: 1 x CR2032 3V Lithium Battery (included) Capacity: 180mAh (single battery capacity) Application: Suitable for woodworking furniture, building materials decoration, schools, home DIY, mechanical processing and other fields. Package List: 1 x Digital Angle Ruler1 x Battery