Wire this buzzer to your course compass unit (CCU) to receive audible alerts from your GHP 10.WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov. Specifications:Type: CablesBox Dimensions: 1″H x 4″W x 4″L WT: 0.1 lbsUPC: 753759077907