DescriptionPet electronic fence. When the dog goes beyond the set range of activity, the receiver will automatically activate the training function, first giving off a warning sound, or then a punishment of electrostatic stimulation to remind the dog to return to the safe area.Features-Color:Black-Material:Plastic -Size: 28.00X19.00X6.00cm/ 11.00X7.47X2.36in-The system will start up while your dog is running beyond the setting distance, the receiver collar in your dog's neck will issue warning signal by sounds, vibration and static shocks, so as to prevent your dog from moving on. -Light weight and portable, easy to carry and wear. -Made of premium materials for durable and long lasting use. -The dog fence can help to train dogs to shape the habit of living in their own independent space. -Keep your furniture and daily necessities clean and tidy, especially keep your pets away from the uneasy of living in a real fence.