Feature: 1. Long Lasting Battery Life: Powered by a battery (not included), this depth measuring tool has a long battery life, making it suitable for various applications. Whether you are measuring depth through electronic depth measurement, this tool is ideal for professionals in different fields. 2. High Accuracy: With a measuring range of 0-30mm/0-1.2in and accuracy of 0.01mm/0.0005in, this electronic digital depth gauge base ensures accurate measurements for your projects. 3. Easy Data Transfer: The digital depth gauge can easily connect to a computer via a USB port for seamless data transfer. This convenient data transfer feature simplifies data collection and analysis, enhancing your work efficiency. 4. Rugged Construction: Made of alloy steel and hardened stainless steel, the depth gage ensures a flat base for more accurate readings. The stainless steel material is rugged and guarantees long term use, making it a good tool for your measurement needs. 5. User Friendly Design: Featuring an LCD screen, the electronic depth gage allows for easy and accurate reading of measurements. The digital display enhances visibility, ensuring clear display of measurement results for your convenience. Specification: Item Type: Depth Gauge Material: Alloy Steel, Stainless Steel Battery: 1 x Battery (Not Included) Measurement Range: Approx. 0-30mm / 0-1.2in Accuracy: Approx. 0.01mm / 0.0005in Measurement Speed: ≤3meter/s. Package List: 1 x Depth Gauge 1 x English Manual 1 x Storage Box Note: 1. This guage is an accurate measuring tool. Handle with care to avoid impact and loss of accuracy. 2. Keep the protective film away from water, oil, and other liquid substances. Do not apply voltage to the ruler to prevent damage to the circuit. 3. If not in use for a long time, turn off the power (OFF/ON) button. Remove the battery if not used for more than 1 month.