PetSafe Classic In-Ground Fence Receiver CollarMeet the PetSafe Classic In Ground Fence Receiver Collar a versatile boundary training tool for dogs and cats 5 lb and up. It grows with your pets training and pairs with Pawz Away barriers to create secure, off leash style play inside or outdoors. 8 Levels of Correction: A full range of settings to tailor the boundary experience to your pets temperament, including Level 1: Tone and Vibration for mild cues to introduce the boundary. Rechargeable