Features: Provides Precise Measurements. The Measuring Range Is 0-90 And Measuring Accuracy Is Less Than 0.2. Can Be Used to Measure Angle And Ti-lt Rate, Suitable for Woodworking, Construction, Machinery, Automobile, Etc. Has Backlight Function, Which Is Convenient to Read. And The Backlight Can Be Turned On or Off. When It Is Inverted, The Display Will Automatically Reverse. Value can be Clearly and Easily Read on the LED Display. The Digital Angle Finder Can Automatically Turn Off After 3 Minutes of No Operation. Package Includes: 1x Digital Angle Finder Specifications: Material: Plastic Size: 5.5x5.5cm/ 2.17x2.17 in Measuring Range: 4x90(0-360) Accuracy: +/- 0.1 degrees at 0 and 90 degrees and +/-0.2 degrees the remainder Resolution: 0.05 degree Waterproof: IP54 Power: 2xAAA battery ( batteries excluded) note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.