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GOWE 60m Sewer Pipe Inspection Crawler Robot with PT Camera Joystick Sensor Size:1/4";Horizontal Resolution:600TVL; Signal System:NTSC - Amazon.com
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VEVOR Sewer Camera, 150FT, 9" Screen Pipeline Inspection Camera with DVR Function & 8 GB SD Card, Waterproof IP68 Borescope w/LED Lights, Industrial Endoscope for Home Wall Duct Drain Pipe Plumbing
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