A unit pixel of an image sensor which operates in global shutter mode is provided. The handle device is designed to be grasped by the hands of a user and the cable is attached, at one end, to a footrest or fixed location. The cable has a plurality of wires respectively connecting to the contacts of the cable end connector and a shielding braid enclosing the wires. The control logic is capable of receiving a data signal at the communications port which includes a time value and a unique identification which corresponds to the towed vehicle in response to the electrical start signal. Particularly, the method, techniques and procedures of creating software tools of the present invention used to perform the layout violations or enhancements are disclosed.