Main uses: The pipeline inspection unit can be used under floors, inside walls, attics, gutters and chimney and can even be used to inspect mold and water damage through pipelines. In addition, this product also often uses the following fieldsï¼water supply pipelines, air conditioning pipelines, cable ducts, pipeline vacuum systems, lead industry pipelines, buildings, underground pipelines, rescue work in small spaces, underground cavern exploration, underwater riverbed research.