|Petco||PetSafe Wireless Instant Fence Extra Transmitter System, Gray||
Give your pet even more space to run. With the PetSafe Wireless Pet Containment System Extra Transmitter, you can add up to 1/2 acre to your current containment system. This addition to your system is a perfect fit for larger yards. When added, the additional transmitter's circular signal overlaps with your current transmitter's signal. Where they overlap, the signals cancel out, opening up a new play area for your pet.