Features Durable protractor: The digital angle made of stainless steel, laser etched measurements provide clear reading. The digital LCD display is easy to read and eliminates guesswork 【Combination of 2 functions】: Combination of ruler and protractor For easy measuring, you can measure lengths and angles High accuracy: the accuracy of this angle finder is ± 0.3 degrees. Measuring Range: 0-360°, Folded Length: 8 inch/200mm, Total Length: 15 inch/400mm Digital angle finder: this 2-in-1 combination ruler and protractor from Digital Angle Finder for easy measurement is a practical tool for drawing and measuring. 【Satisfaction Guarantee】: We support our best service, high-quality digital angle ruler. If you have any questions about our products, please feel free to contact us, we will try our best to help you and reply within 24 hours. Function: 1. Professionally measure the inner and outer corners and corners of objects. Specification: Item type: angle ruler with digital display Material: stainless steel Measuring range: 0-360° Optional Specifications: 200mm; 300mm; 500mm Read value: 0.05° Accuracy error: Plus or minus 0.3° Power supply: 3V (CR2032 × 1) (not included) Button function: power button, delete button, data hold button, button for changing degrees. Package list: 1 x angle ruler with digital display Package List 1 x Digital Display Angle Ruler