PetSafe Premium Wireless Fence
PetSafe Premium Wireless Fence is a completely wireless system. It's signal field is spherical in nature giving a circular boundary. It should be mounted indoors, 2-4 feet above the ground on a non-metal surface and should be kept at least 3 feet away from the utility box or large appliances. Maximum range is 90 feet from the transmitter or 90 foot radius and minimum range is 15 feet from transmitter. It's designed not to correct during a power outage and will only correct when the receiver loses the signal from the transmitter.