Spare Extra Transmitter: The Pawz Away Mini Pet Add-A-Barrier allows you to extend or add 5' of additional off-limits areas indoors or outside in the yard and garden to create safe, pet-proof zones Safe & Reliable Behavior Control: Features a progressive static alert collar with a warning beep, automatic shut-off safety, and lightweight waterproof design for everyday use Customizable & Portable Solution: Includes a battery powered barrier system with adjustable settings and a compact design, making it easy to create multiple no-go zones in your home Global Mission, Local Care: With U.S. roots and worldwide reach, PetSafe delivers vet- and trainer-recommended solutions and exceptional customer support to create fields of joy for pets 25 Years of Trust: Since 1998, PetSafe has created safe, innovative, and trusted products that bring joy, enhance pet lives, and support the lifelong bond between pets and their families