This color-screen portable coating thickness gauge is designed for accurate and non-destructive measurement of coating thickness on various substrates. It offers the following features: Menu Operation and Color-Screen HD Display: The gauge features an intuitive menu system and a high-definition color display for easy operation and clear readings. Measurement of Non-Magnetic Coating on Magnetic Metal Substrates: It can accurately measure the thickness of non-magnetic coatings on magnetic metal surfaces. Measurement of Non-Metallic Coating on Non-Magnetic Metal Substrates: It can also measure the thickness of non-metallic coatings on non-magnetic metal substrates. Two Measurement Methods: You can choose between single measurements or continuous measurements for convenience. Calibration Options: The gauge provides basic calibration and zero-point calibration to ensure accurate readings. Metric/Imperial Unit and Storage Function: You can switch between metric and imperial units, and the gauge has a storage function to save measurement data. Screen Rotation, Charge Protection, Multi-Interface Displays, Screen Brightness Selection: The screen can be rotated for comfortable viewing, and the gauge offers charge protection, multiple interface displays, and brightness selection options. Voice Broadcast: It features a voice broadcast function for audible measurement results. Automatic Shutdown: The gauge automatically shuts down after a period of inactivity to save power. Measurement Range: 0 ~ 1800?m/70.8milResolution: 0.1?m(