The automatic opener is bolted on the gate and put up, after which connected to possibly a buried 120-volt electrical cable or photovoltaic solar panel. AutoGate Northern Ireland www.ElectricGatesNewry.com 07855-781433 02830-886666 Contact Adrian for help, advice or information on Electric Gate Installation or Electric Gate Repairs Electric Gate Repairs https://whitneyp360ojz1.get-blogging.com/profile