[. . . ] Check to confirm that the controller numbers you are using are the same. [. . . ] This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: – Reorient or relocate the receiving antenna. €“ Increase the separation between the equipment and receiver. €“ Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. €“ Consult the dealer or an experienced radio/TV technician for help. [. . . ] US (Proposition 65) WARNING This product contains chemicals known to cause cancer, birth defects and other reproductive harm, including lead. [. . . ]