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Amazon.com : Pawious GPS Wireless Dog Fence - Pet Containment System, Electric Dog Fence with Radius up to 1000 Yards, Rechargeable, Perimeter Shock Collar for Medium and Large Dogs, Outdoor Use Only :
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PetSafe Stubborn Dog Receiver Collar Only for Dogs +8 lb., Waterproof, Tone, Vibration & Static - Walmart.com
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