Feature: 1. High Accuracy Measurement: Measure with accuracy up to 0.01mm, that is 0.0005in, ensuring accurate and reliable results. 2. IP65 Waterproof Design: Withstands dust and splashing of water, suitable for various environments and durable for long term use. 3. Aluminum Alloy Construction: Made from sturdy aluminum alloy material, providing strength and durability for heavy duty applications. 4. Easy to Read LCD Display: Clear and large LCD screen shows measurements in metric and imperial units for easy reading and conversion. 5. Long Battery Life: Powered by a CR2032 lithium manganese battery, providing a long lasting power supply for continuous usage. Specification: Item Type: Digital Dial Indicator Material: Aluminum Alloy Battery Type: Lithium Mn Battery Battery Model: 1 x CR2032 Battery Capacity: 220mAh Note: The product is shipped with a matching battery, and the battery is already installed on the product itself. Resolution: 0.01mm, that is, 0.0005in. Measurement Range: Approx. 0 ~ 30mm / 0 ~ 1.18in Power Supply: 3V button lithium battery, CR2032. Working Temperature: 0℃~+40℃ Storage Temperature: -20℃~+70℃ Relative Humidity: ≤ 80%. Package List: 1 x Digital Dial Indicator1 x Battery1 x Plastic Box1 x Screwdriver1 x English User Manual