The AVI inspection machine for appearance defects of 3C products is mainly used for defect detection of 3C product appearance, improving production line yield and the process control capability of manufacturers. The main application areas include mobile phones, laptops, tablets, LCD modules, wearable devices, televisions, etc.   The detectable defects include surface scratches, burrs, damages, pressure marks, broken edges, notches, hidden cracks, burrs, warping, foreign objects, dirt, white spots, bubbles, pinholes, bumps, etc.