Features This electronic altimeter and depth gauge is characterized by high accuracy and sensitivity and is reliable to use. Large digital screen, the display is clearer and the work efficiency is faster. Measuring range 0-80mm, removable depth gauge, height/depth dual function ruler. Has features such as metric conversion, one-touch clear, data storage, etc., which make the meter easier to use. The magnetic measuring surface is equipped with a strong magnet on the bottom and can be attached to the iron surface for easy measurement. Specification: Item Type: Depth Gauge with Electronic Digital Display Material: ABS plastic Measuring range: 0-80mm Application: Used to measure the size and depth of the product Battery: 1 piece CR2032 button battery (not included) Package list: 1 x Digital Display Depth Gauge Package List 1 x Digital Display Depth Gauge