YOU WILL RECEIVE A BRAND NEW 2 BATTERY COLLAR SYSTEM NOT IN ORIGINAL BOX WITH 1 OF THE FACEPLATES SHOWN & 2 COLLARS (COULD BE RED OR BLACK) ALL ARE MADE BY PETSAFE & WORK EXACTLY THE SAME. THEY HAVE A ADJUSTABLE CIRCULAR BOUNDRY OF UP TO 180' OR 1/2 ACRE. THEY ARE COMPLETE WITH ALL THATS SHOWN IN PICS. WHICH ARE: 1 TRANSMITTER & AC ADAPTOR, 2 ADJUSTABLE FULL LENGTH COLLARS, NO MANUAL (BUT YOU CAN PRINT FOR FREE @ PETSAFE WEB.), 25 FLAGS, A TEST LIGHT TOOL WITH 1 SET OF LONG POINTS. THEY WERE COMPLETELY TESTED & WORK PERFECTLY. LISTED AS USED BECAUSE OF OPEN BOX & EBAY POLICY. YOU GET A BRAND NEW 2 COLLAR SYSTEM FOR LESS THAN THE PRICE OF A 1 COLLAR SYSTEM. ITS YOUR RESPONSIBILITY TO KNOW WHAT YOU ARE BUYING & HOW IT WORKS. I DON'T ACCEPT RETURNS BUT I DO GAURANTEE THEM TO WORK AS THEY SHOULD. THANKS FOR LOOKING !