Not Easy to Scratch: Made of premium space aluminum, it won't scratch and keeps your spirit level in perfect condition. High Accuracy: The accuracy of this angle finder is ±0.5 degrees. Measuring range: 0-230°, total length: 300mm. With auto-off function and hanging hole. 【Durable Protractor】 Sturdy and stable work, easy to carry, corrosion-resistant aluminum alloy, HD LCD screen with electronic digital display: stable, reliable and accurate. 【Protractor and Spirit Level】 This tool can measure both angles and levels (Note: This is not a digital spirit level. Does not display the number on the LCD screen, but only helps you judge whether it is horizontal or vertical or not.) 【High-quality Service】 - If you have any questions about the use, installation and the product, you can contact customer service at any time. Product Description Description: This is a digital protractor, with it, you can read the data more easily and More accurately than other ordinary measuring instruments. Suitable for woodworkers to measure and set the precise angle. Can be used as a spirit level. Caution: 1. Do not move screws and components as you wish. 2. Please treat your protractor carefully, use appropriate force to turn the knife arm. 3. The open and closed sides of the tape measure may be sharp, be careful not to scratch the tape measure. 4. Please do not use it underwater as this may cause damage. Features: LCD display for easy reading - With horizontal and vertical spirit level - With on/off switch, reset button for zeroing in any angle of relative measurement - Made of lightweight aluminum - Not easily scratched - Automatically shuts off after 5 minutes without use - Easy to carry, durable and lightweight. LCD display and key Zero The clear screen makes it intuitive and easy to read. One-touch zero design to get the angle you want whenever you want. Two bubbles Horizontal and vertical measurement, the protractor can be used for both angle measurement and as a spirit level. Hanging hole. A special space is reserved for a hanging hole. Small size and light weight for easy storage and placement.