This digital caliper is made of plastic, making it lightweight and easy to handle. The large LCD display provides clear and easy-to-read measurements, ensuring you get accurate results every time. The energy-saving auto-off function helps prolong battery life, so you don't have to worry about constantly replacing the battery. It comes with a durable case for protection and a battery (built-in 3V type CR2032) for your convenience. The high-precision measurement feature, with a resolution of 0.01mm/0.0005", guarantees the accuracy of your measurements. Additionally, this caliper offers versatile measurement modes, allowing you to measure inside, outside, depth, and step dimensions, making it suitable for various applications. Whether you're using it for home projects, DIY, or professional purposes, this digital caliper is a reliable tool that will meet your measurement needs.