_x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ 2-in-1 function: ruler and digital protractor two-in-one, can measure length and angle. Great for woodworking, architectural decoration, machining, architectural drawing, DIY, school teaching aids. Key functions: ON/OFF/ZERO key (long press the OFF key to turn off), HOLD data lock key (don't worry about data drift after locking), D/M key. Lightweight and Portable: Compared with stainless steel protractors, this protractor is lighter and safer. The stable locking rotator can lock any angle of the protractor. Large LCD screen: The protractor is equipped with a large LCD screen, which can easily read data and is very friendly to vulnerable people. If the protractor is not used for a long time, the protractor automatically turns off to save battery life. battery:CR2032 3V lithium battery(without battery) Colour:black+red Material:Engineering Materials Package Contents: 1 x Angle Digital Ruler Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_