... Inspection 1. Sony CCD, Pan&tilt Camera 2. 6-wheel drive 3. 12.1''screen control 4. 100m motorized/manual cable ... ). It can display the data of running speed, ditance, crawler internal, and camera internalpressure index, two axis Angle measurement, lighting source ... modify settings,run log management3. Memory: parallel port, 300 G hard disk4. Output, input ports: data control interface x1, audio in ...