ROVs and crawlers from Deep Trekker are easy-to-use, portable solutions for sewer inspection. Built from anodized aluminum and acrylic, the submersibles are capable of handling the tough environments of sewers. Using a low-light HD camera and high-efficiency LED lighting, inspections capture pits and cracks and other areas of concern throughout sewage systems. Lithium battery power and a hand-held controller ensure easy access in any sewer. It is a turnkey solution, providing operator control over infrastructure inspections. 519/342-3177; www.deeptrekker.com.