A system for controlling pets utilizes a low power transmitter to create avoidance zones in which one pet wearing an animal control receiver can enter but in which a second pet is deterred from entering. The fact checking system automatically monitors, processes, fact checks information and indicates a status of the information. The rod has a smaller diameter than the hole for allowing the plug to compress during insertion for fitting into the pipe. The LED signal light consists of plural LEDs, which are three coloring LEDs or color changing LEDs.