Premier 42" Electric Chicken Net Fence 12/42/3 Yellow - 164' Roll Installs in approximately 15 minutes. Contains poultry, ducks and small livestock. Repels fox, coyotes, dogs and raccoons when properly energized! FENCE MUST BE PROPERLY ENERGIZED TO BE EFFECTIVE. Energizer is not included. Recommend approximately .25 joule of energizer per roll of fence. Use only low or wide impedance intermittent pulse energizers. Warning! Do NOT use continuous current energizers with electric netting For optimum results, we recommend using a Premier Solar or AC/DC energizer that fits your specific needs. Complete with PVC posts pre-fitted into fence at 13.5' intervals with 6" spike at the bottom. Recommend using non-conductive support posts at corners and ends. See the Premier 42" FiberTuff posts (Item 208054) on Amazon. Multiple rolls of net are easily clipped together by power clip at end of net.