The DeWalt DCT4103 17mm extension cable will help extend the reach of your inspection camera. The cable is 3 feet in length and waterproof. This cable will fit DCT410, DCT411 & DCT412 Inspection Cameras. Product Features::17mm extension cable will lengthen the reach of your inspection camera Adds three feet of length to your inspection camera cable This extension cable is waterproof Compatible with your DCT410, DCT411 & DCT412 inspection cameras De Walt is firmly committed to being the best in the business, and this commitment to being number one extends to everything they do, from product design and engineering to manufacturing and service.