Features IP54 PROTECTION: This digital dial indicator has IP54 protection design, dustproof and waterproof, protecting the instrument from external influences. DIGITAL DISPLAY: The dial gauge uses digital screen to display the measurement results, which is clear and intuitive, greatly improving measurement efficiency. HIGH ACCURACY: This dial indicator has a resolution of 0.0005in or 0.01mm, with high accuracy, ensuring stable and reliable measurement results. BATTERY POWERED: This digital indicator has a built in CR2032 lithium manganese battery with a 220mAh battery capacity, ensuring long term endurance. MEASURING RANGE: The digital dial gauge has a measurement range of 0‑12.7mm, compact and convenient, suitable for various measurement scenarios. Specification: Item Type: Dial Indicator Material: Aluminum Alloy Battery Type: Lithium Manganese Battery (built in battery) Battery Model: 1 x CR2032 Battery Capacity: 220mAh Resolution: 0.01mm / 0.0005in Measurement Range: Approx. 0-12.7mm / 0-0.5in Power Supply: 3V Button Battery (CR2032) Operating Temperature: 0-40℃ Storage Temperature: -20-70℃ Operating Humidity: ≤80% Package List: 1 x Dial Indicator 1 x Plastic Box Package List 1 x Dial Indicator 1 x Plastic Box