Feature: 1. Automatic Power Off: Equipped with power switch, but you can also choose automatic power off to prevent accidents. 2. Measurement System Change: Has measurement system transfer key, that the thickness gauge cna satisfy the habit of different group. 3. Zero Setting Function: Zero setting can be done at any position which is convenient to differential measurement with high accuracy. 4. LCD Display: Adopted large LCD display screen to show the result date, providing you with a simple and clear viewing for easy reading. 5. Suitable Range: Can be used for measuring the thickness or date of paper, leather, jewelry, metal sheet and other things. Specification: Item Type: Thickness Gauge Material: Aluminum Application: For Thickness Measurement Weight: Approx.160g/5.6oz Resolution: 0.01mm/0.0005in Range: 0-20mm/1in Battery: 3V Button Battery (CR2032) (Not Included) Operating Temperature: 0-40℃ Storage And Transportation Temperature: -20-70℃ Relative Humidity: ≤ 80%. Package List: 1 x Thickness Gauge (Battery Not Included)