Security camera with lens protection

The utility model relates to a security camera with a protective lens, which comprises a camera body, the side edge of the camera body is connected with a protective cover, the outer wall of the camera body is provided with a limiting slip ring, and a limiting block is arranged in the limiting slip ring; the connecting ring is connected to the limiting block in series and arranged in the limiting sliding ring, a connecting rod is installed on the limiting block, and the end, away from the limiting block, of the connecting rod is connected with a mounting ring; a reflective mirror surface is mounted in the middle of the mounting ring, and bird repelling hoppers are mounted at the two ends of the inner wall of the mounting ring respectively. According to the utility model, the protective cover with the horn-shaped structure is detachably connected with the threads on the camera body, so that the camera lens can be protected through the protective cover, and meanwhile, the protective cover can be quickly replace