B-series portable automotive borescope is a professional detection instrument developed for maintenance,diagnosis, and maintenance. The resolution of high-definition images of 800*480 ensures a good image restoration effect. Simple and humanized operation, compact and playful appearance. B series automotive borescope is also an engine cylinder borescope, not only a necessary tool for quick and visual inspection by professionals in the auto repair industry, but also the first choice to satisfy every car lover who CARES about their health.