Durable Protractor: Stainless steel digital angle finder with laser-etched measurements for clear reading. Digital LCD display is easy to read and eliminates guesswork. High Accuracy: Angle finder accuracy is 0.3 degree. Measuring range: 0360, folded length: 8 inch / 200 mm, total length: 15 inch / 400 mm. Hold Data and Reverse Measurement Value: Save data during measurement by pressing "HOLD/Rev."; display can be reversed for easy reading by long-pressing "HOLD/Rev." Combination of 2 Functions: Combines a ruler and a protractor for measuring lengths and angles with ease. Note: The stainless steel edge is sharp. Handle with care and keep out of reach of children. Material: Stainless steel. Overall length: 400 mm. Measuring range: 0360. Resolution: 0.05. Accuracy: 0.3. Battery: 1 x CR2032 3V lithium battery (included). Package Contents: 1 x Digital Angle Finder, 1 x User Manual. Great Locking Feature: Tight/loose knob allows adjustment to desired tightness for secure positioning. Zero Button: Simple and intuitive operation with positive and negative angle display. Etched Measurement: Engraved scale provides clear, long-lasting readings. Quantity: 1 piece. Note: This package includes only the items listed. Color is based on the first image shown; additional images are for illustration purposes only. Due to differences in monitor displays, the actual color may vary slightly from the image. Due to manual measurement, slight variation may occur. Thank you!