Features 【Practical and reliable】High level of accuracy and sensitivity, this electronic height depth gauge is reliable to use. 【Clear reading, improve work efficiency】Large scale digital display screen, clearer reading, faster work efficiency. 【One ruler for two uses】Measuring range 0-80mm, detachable depth measuring rod, height / depth dual-use ruler. 【Functional】With metric conversion, one-key zeroing, data saving and other functions, making the measuring instrument more convenient to use. 【Convenient measurement】The magnetic measuring surface is equipped with a strong magnet at the bottom, which can be adsorbed on the iron surface for easy measurement. Specification: Item Type: Electronic Digital Display Depth Gauge Material: ABS Plastic Measuring Range: 0-80mm Application: Used to measure the size and depth of the product Battery: 1Pc CR2032 Button Battery(Not Included) Package List: 1 x Digital Display Depth Gauge Package List 1 x Digital Display Depth Gauge