Entry and exit loops, which might be buried wires connected to a Exclusive machine in your gate operator that functions as a switch to open up or close your gate AutoGate Northern Ireland www.ElectricGatesNewry.com 07855-781433 02830-886666 Contact Adrian for help, advice or information on Electric Gate Installation or Electric https://elliotwkvgr.liberty-blog.com/27955998/are-you-looking-automatic-gate-cost-why-not-adrian-on-07855-781433-for-help-and-advice-for-electric-gates