Welcome to the shop! [High Accuracy] Four different measurement units offer a wide range of applications and meet various needs. [Automatic Standby] This digital inclinometer automatically shuts off after 5 minutes to conserve battery life when not in use. [Magnetic Base] The mini level features a strong magnetic base, which can be easily and securely attached to the object being measured. [Powerful Function] Click the Return to Zero button to set the relative zero angle, then click the Hold button to retain the current reading on the screen. [Reminder] When the measuring surface is uneven or there is a large gap between the measuring surface and the bottom of the product, there will be a certain error when returning to zero. (Product sold without batteries) 1. Display resolution: 0.1 2. Accuracy error: +/-0.2 (0-90), the other accuracy error of 0.3 3. Measuring range: 490, 3 lengths of 100-150-200mm 4. Power supply: 2 x 3V CR2032 button cell batteries (product sold without batteries) 5. The bottom measuring surface is magnetic Pictures are taken in kind, there will be color differences, the details shall prevail in kind, please forgive me! Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!