The portable Shields® Outdoor Plus Solution can be used anywhere you need to create an avoidance zone including: gardens, landscaping, pools & water features, trashcans, playground equipment, gates and more. The Shields® Outdoor Plus Solution gives you the option to increase the size and shape of an avoidance zone by adding an extension kit with up to 100' of wire. Product Features: • Wireless - Adjustable signal field (2-10 foot diameter) • Use an extension kit to create a custom shape w/ up to 100’ of wire (extension kit sold separately) Realistic rock design blends with all landscapes • Portable - 7(W) x 7(L) x 5”(H) • 1 year battery life from Standard D batteries (not included) • 7k & 10k setting options • Water Resistant Four "D" size batteries not included.