The In-Ground Radio Fence had been proven safe,comfortable,and effective for all pets over 8 pounds. The system works by producing a radio signal from the Fence Transmitter through up to 4000 feet of Boundary Wire.The Boundary Wire is buried or attached to a fixed boject to enclose the Pet Area.You temporarily define the Pet Area with Boundary Flags for a visual aid in dog collar electronic your pet. Your pet wears a Receiver Collar with Contact Points that touch his neck,and,once trained,is allowed to roam freely in the Pet Area.When your pet reaches the Warning Zone,the Receiver Collar gives a warning beep. If your pet continues into the Static Correction Zone,a safe Static Correction will be delivered through the Contact Points to get his attention until he returns to the Pet Area. Package Contents:
• 1 x Indoor wall-mounted transmitter;
• 1 x Power plug;
• 1 x Adjustable receiver collar;
• 1 x 9 Volt battery for collar;
• 1 x boundary wire of 500ft;
• 2 x Extra metal contact points;
• 50 x Training flags;
• 1 x Test Light;
• 2 x Wire Nuts;
• 1 x Operating and Training Guide.