Features 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. Clear Scale Lines: This Angle Ruler Has A White Scale Line with Metric And Inch Specifications, Making It Easy to Read, Clear And Intuitive. Lcd Display: This Angle Ruler Uses A Large Lcd Screen to Display Angle Measurement Data, With High Accuracy And Resolution. Lithium Battery: This Digital Angle Finder Is Equipped with A 180mah Lithium Battery, Ensuring Long Term Life, Convenient And Practical. 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 Ruler 1 x Battery Package List 1 x Digital Angle Ruler 1 x Battery