Key Features

• Provides 1/3 acres of room for your pets to play in, which you can expand with additional wires and flags (sold separately)
• Use the provided flags, wire, and other tools to create "keep out" areas for your pet to learn
• 4 levels of static stimulation, including a tone-only mode for training
• Lasts 1 to 2 months at full charge, which depends on how frequently the system is being used
• Fits dogs over 3.6kg with neck sizes from 15cm to 66cm