Feature: 1. The ruler has LED high‑definition LCD large digital display, able to provide clear readings 2. With metric and imperial dual system units, clear laser graduation, wear resistance and long service life 3. High quality stainless steel material can make sure the durability and stability of the product 4. The measuring range is 0‑360° and 0‑500mm which can provide clear measuring result 5. Professional design and reasonable structure, the angle ruler can be a good helper for woodworking Specification: Item Type: Digital Angle Ruler Product Size: Approx. 500mm / 19.7in Measuring Range: 0-360°(0-500mm) Tolerance: ±0.3° Resolution: 0.05° Battery: One CR2032 button battery(not included) . Package List: 1 x Digital Angle Ruler Note: 1. Please wipe the case, measuring ruler and other places with a soft, oil‑free dry cloth before use. If there is serious dirt, please wipe it with a cloth containing a neutral detergent.2. Please avoid using in a large amount of water and oily environment3. Please also clean the case and measuring rod after use.4. Please do not disassemble and assemble the angle ruler case by yourself to avoid serious consequences. 5.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.