This is the FNIRSI CTG-20, a portable car paint thickness gauge used for inspecting vehicle paint and electroplated layers.It features a digital color screen that displays real-time measurements in micrometers (μm) along with minimum, maximum, and average values.The device automatically recognizes substrate materials, supporting measurements on both magnetic (iron, steel) and non-magnetic (aluminum, copper) metals.It includes data logging capabilities, rotatable screen functionality for easy reading, and a 600mAh rechargeable battery.