Feature: 1. Accurate Measurement: Clear any position to facilitate micro‑difference measurement. 2. Automatic Power Off: With switch key, automatic power off can be selected. 3. Easy to Use: Measurement system conversion key. Convenient and easy to use. 4. Large LCD Screen: Suitable for measuring soft materials such as paper, leather and film. 5. Applicability: Suitable for measuring soft materials, various paper, film, leather and other small items, and wooden box packaging. Specification: Item Type: Thickness Gauge Product Material: Aluminum Resolution: 0.01mm/0.001in; Range: 0-20mm/1in; Battery: 3V Button Battery (CR2032) (Battery Not Included) Storage and Transportation Temperature: -20-70℃ Relative Humidity: ≤80%. Package List: 1 x Thickness Gauge Note: Precautions:1: The thickness gauge is a accurate measuring tool, so it should be prevented from impact and falling during use to avoid loss of accuracy.2: Keep it clean and avoid liquid substances such as water from penetrating into the thickness gauge to avoid affecting normal use.3: No voltage can be applied to any part of the thickness gauge, and do not use a pen to engrave, so as not to damage the electronic circuit.4: The battery should be removed if it is not used for a long time.