Free to Roam Wireless Containment for Dogs Rechargeable & Waterproof Vibration & Static Shock Collar Easy Installation No Need to Dig Trench & Bury Wire (1 Dog) wireless dog fence Canicom can help you achieve Canicom can help you achieve a well trained and contented dog within days 5 gallons and is made of glass PACKAGE INCLUDES: 1x Wireless Transmitter Unit 1x Collar Receiver 20 x Training Flags 1 Extra Pairs Collar Contacts 1x Test Light 1x Transmitter Wall Mount Screws 1x Power Adapter Top 5 Reasons Why Our Wireless Pet Fence Is The Best Choice For You REASON #1: PROBLEM SOLVED The biggest problem with other electric pet fences is that you have to spend days digging trenches and burying wire and often end up having a wire break that is impossible to locate