This high performance mainline robot can be used to inspection laterals from 100mm to 600mm in diameter.The SD-1050 Camera heads features a 540TVL P/N sensor to capture detailed image of pipe defects,including poor joints,structure fractures,and root intrusions.Inspection videos are transferred from the sensor to the state-of-heart-art monitor via a compact cable drum system.And the data is compressed into H.264 video format,which can be used to generate reports with our integrated reporting software or third party software.The winch will automatically wind up or unwind the cable according to the feedback of a precice tension sensor.And this means the carriage can be easily feed into drainage lines from manhole.