AI Security camera has been used for various industrial fields from CCTV and IP surveillance systems to traffic control systems. As information and communication technologies has developed, the importance of the security camera is growing in modern life. However, the AI security camera installed in outdoor environment is susceptible to various contaminants such as rain and dust. The AI security camera with Drop Free Glass (DFG) promptly and efficiently removes the contaminants and guarantees the clean camera image at all times.)