This　camera is able to capture video images in a timely manner of high-tech electronic equipment, the product system consists of cameras, transmission cables, the host control box, optical encoder, electric winches, recorders and other equipment. It has a waterproof, resistant to high pressure, high temperature, etc., but also hassimple operation, data is large, clear image, real time image monitoring, collecting,recording, arbitrary zoom, while the far and near the scene auto focus, able to show clear picture of available hard disk or CD-ROM to save monitoring data.Especially in the dry hole and clean water hole conditions, can real-time access to very clear color images, for a variety of holes to provide a reliable basis for incident handling, has a unique visual and authenticity. The product is mainly used for hole formation structure of the division, wall cracks and karst formations discrimination cases to distinguish fractured development zone, to determine the location and distribution of karst hole long-term monitoring and other aspects of work, underground TV in the vertical drilling , horizontal drilling and drilling in an arbitrary angle monitoring.