Protect and contain at the same time with the SmartFence Portable Fencing System. This durable, self-contained and portable electric fence features a 4 wire, 10 post, 330' portable system for optimum animal control. The SmartFence is equipped with a self-tensioning reeling system to ensure that tension is evenly distributed and maintained on all four charge wires. It can be used on terrains of all types and is perfect for cross fencing, rotational grazing, subdividing pastures and repairing broken fence lines. This system is quick and easy to install, carry and store.