Features: Auto power off mode designed to save life Compact design and easy to carry Zero, one-point and two-point calibrating Digital LCD display Comes with iron base and non-iron (aluminunm) base Portable, user friendly and easy to carry Provides single, continuous & difference measurement mode with metric/imperial conversion Description: This coating thickness gauge adapts electro induction principle and induced EDD current. It can measure the thickness of non-metal coatings on metal surface. This unit is ideal for manufacturing company, metal machinery industry, industry, and commodity inspection especially in automobile trading. Specifications: Model: GM201 Color: White Target Measure: non-metal coating thickness on the metal surface Measuring Range: 0-1.80mm/0-71.0 mil nonmetal coating on metal surface Accuracy: 0.03mm Power Supply: 2 x 1.5V AAA (not included) Minimum base diameter: 50mm Critical base thickness: 0.5mm Display resolution: 0.01mm/1mil Operating Temperature:0-40C Operating Humidity: 10-95%RH Size: 104 x 61 x 30mm Net weight: 56g Package includes: 1 x Coating thickness gauge