This electronic depth gauge features high precision and sensitivity, reliable to use. Large digital screen, the measuring value is clearer and the work efficiency is faster. < p>Measuring range 0-80mm, detachable depth measuring rod, dual-use height/depth ruler. Includes functions such as metric conversion, l; measuring instrument easier to use. The magnetic measuring surface is designed with a strong magnet at the bottom and can be attached to the iron surface for easy measurement. Item Type: Electronic Digital Depth Gauge Measuring Instrument Material: ABS plastic Measuring Range: 0-80mm Application: Used to measure product size and depth Battery: 1 x CR2032 button striker (without battery). : The data is all manually measured, please allow an error of 1 within 3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.