A lightweight, open-reel camera system used for general inspection and locating jobs in 2" to 4" pipe sizes. It features a waterproof, stainless steel camera head and 100-foot fiberglass push rod. This system is ideal for use alongside the Revolution line of high speed flex shaft machines. With its compact footprint, attractive pricing, and easily interchangeable parts, the Sentinel is the perfect camera for business owners who need to put a unit on every truck. The 7-inch monitor and 6-hour battery life means the Sentinel won’t let you down on the job.