Deli High-Precision Vernier Caliper with Large High-Definition Digital Display, Stainless Steel Precision Ruler, Compliant with National Standards, 300mm

1. Use a special small screwdriver to remove the battery cover (do not use a large screwdriver to avoid damaging the product).

2. The screen will flash to indicate low battery, please replace the battery promptly.

3. The product may have stains and odor due to dry rust-proof oil for long-term storage protection.

4. If there are scratches on the screen, check if the protective film is removed. Contact customer service for replacement if the screen is scratched.