CAUTION:

1. First-time use, a small slip of paper needs to be pulled out from under the caliper slider (to release the battery and activate the unit).
2. Limited accuracy, this device is not suitable for industrial-grade high-precision measurements. If necessary, we recommend considering a more professional tool.
3. If you encounter garbled characters on the display, it may be due to loose contacts or dead batteries. Please reinstall the battery or replace it with a new one.
4. If you have any questions, please feel free to write to us; we will reply and help you resolve your issues within 24 hours.