Wireless Dog Fence System with Rechargeable Transmitter and Rechargeable Collar Receiver Safe & Easy Install WiFi Radio Electric Dog Fence remote trainers you can change it at you can change it at any time to make any number of suitable habitats by adding accessories Features: Provides higher protein levels and lower fat levels to ensure proper nutrition Minimizes weight gain in adult birds Fruit like colors and shapes will appeal to your bird's eye Item Specifications: Size: 20 lb Wireless pet fence system keeps your pets safely contained in your yard with no fences to dig and no wires to bury and the collar is 100% waterproof(rated IP65)