This popular item comes in functioning or non-function Motion sensor make sure you pick the one that works for you! The Motion sensors look like any other motion sensor just plug them in and you have video. The high quality CCD camera built inside the camera is virtually hidden. We integrate a 2.4 GHz 4 channel transmitters to create a wireless system for ease of placement and include a matching 8 channel scroll selectable receiver. Why 8 channels? This allows the user versatility in a wireless application. Each Motion sensor has a choice of black/ white or color camera. If wireless is not the solution you are looking for we also stock wired versions of the same high quality item.