High Precision With Magnetic Base Digital Inclinometer Protractor Electronic Level With Display [High Precision] Four different measurement units have a wide range of applications and meet different needs. [Auto Standby] This digital inclinometer will automatically turn off after 5 minutes to protect the battery without any operation. [Magnetic Base] The mini electronic level has a powerful magnetic base, which can be easily and firmly attached to the measured object. [Powerful Function] Click the 'Return to Zero' button to set the relative zero angle, and then click the 'Hold' button to keep the current reading displayed on the screen. [Reminder] When the measuring plane is uneven or there is a large gap between the measuring plane and the bottom of the product, there will be a certain error when returning to zero. (The product is sold without batteries) This product is a brand new innovative angle and level measuring tool, LCD display, easy to read. Light weight, easy to carry and use. It is particularly convenient to measure various angles, the level and angle of the inclined plane of the miter saw, the inspection and maintenance of the vehicle volume, etc. 1. Display resolution: 0.1° 2. Accuracy error: 0.2° (0-90°), the other accuracy error of 0.3° 3. Measuring range: 4×90°, 3 lengths of 100-150-200mm 4. Power supply: 2 x 3V CR2032 button batteries (the product is sold without batteries) 5. The bottom measuring surface is magnetic The pictures are taken in kind, there will be color difference, the details shall prevail in kind, please forgive me! Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.