See Problems Before They Become Costly Repairs Built for demanding inspection work, the Wohler VIS 500 Plus systems deliver clear, high-resolution imaging for damage analysis and documentation in sewer pipes, flues, ventilation systems, and other tight spaces. Interchangeable waterproof camera heads with integrated LED lighting, including standard and pan-tilt-rotation options, provide flexible, accurate diagnostics across plumbing, HVAC, chimney, and facility inspection applications