Mainly used to detect poor product appearance and missing assembly, etc., can achieve a comprehensive online detection of product appearance scratches, different colors, dirt, foreign bodies, as well as finished parts of the assembly of missing, offset, installation errors, etc., the identification accuracy rate is ≥99.95%, can avoid the outflow of defective products, thereby improving product delivery quality, saving manpower, etc. Realize online data collection and statistics, which is convenient for customers to analyze and optimize production efficiency and quality, so as to achieve visual production management.