Feature: 1. [Wide Measurement Range] This digital depth gauge offers a range of 0 to 30mm (0 to 1.2in) with high accuracy of 0.001mm (0.00005in), suitable for versatile depth measurement tasks. 2. [Convenient Data Transfer] This depth gauge can be connected to computer via the USB port for data transfer, streamlining the process of data collection and analysis. 3. [Clear LCD Display] The digital depth gauge is equipped with an LCD screen that provides a clear display of measurement results, allowing for easy reading. 4. [Sturdy Construction] Crafted from alloy steel and hardened stainless steel, this depth gauge is sturdy and built to last, ensuring durability for consistent use. 5. [Flat Base] With flat base, this digital depth measurement tool ensures stability for precise readings, suitable for a variety of applications. Specification: Item Type: Digital Depth Gauge Material: Alloy Steel, Stainless Steel Battery: 1 x Battery (Not Included) Measurement Range: 0-30mm / 1.2in Accuracy: 0.001mm / 0.00005in Measurement Speed: ≤3 m/s. Package List: 1 x Digital Depth Gauge 1 x English Instruction Manual 1 x Storage Box Note: 1. This product is a precise measuring tool, handle with care to prevent impact and loss of accuracy; 2. Avoid liquid substances such as water and oil wetting the protective film, do not apply voltage to the ruler to prevent circuit damage; 3. When not in use for a long time, turn off the power (OFF ON) switch. If not used for more than 1 month, remove the battery.