Won& 39;t Scratch Easily: Made of premium space aluminum, it won& 39;t scratch and keep your spirit level in pristine condition. High Accuracy: The accuracy of this angle finder is 0.5 degree. Measuring range : 0-230, total length: 300mm. With automatic stop function and hanging hole. Durable protractorSturdy and stable work, easy to carry, corrosion-resistant aluminum alloy, LCD HD display with electronic digital display: stable, reliable and accurate. Angle Protractor and Spirit LevelThis tool can measure both angles and levels (Note: This is not a digital spirit level. Does not display the number on the LCD screen, only helps you to assess whether it is, horizontal or vertical or not Number of pieces delivered: 1 without battery Battery type: Cr20321