The PetSafe Deluxe Radio Fence is Safe and Effective for all pets 5 pounds and up. Features the PetSafe Deluxe Ultralight Receiver with Five Levels of Adjustable Correction.  Perfect for any yard up to 25 Acres. The best, most advanced dog fence on the market today.

• Five Levels of Programmable Correction
• Level one is warning tone only - ideal for initial training or very timid pets
• Levels two thru four are for easy or average to train pets
• Level five is for very hard to train or stubborn pets
• Progressive Correction - if your pet attempts to leave the yard, the receiver will automatically increase the correction level until he returns
• Anti Linger so your dog cannot stay in the warning zone and run down the battery
• Levels are easily changed with a push of a button on the receiver