controller 200 receives 24 volt power from battery charger 202 which is in turn powered by a 110 volt ac source such as 110 volt socket 204 located within the gate column system controller 200 may also include a radio receiver 205 which may communicate by means of antenna 206 with a transmitter located within authorized vehicles system controller 200 may also be connected to optional load box 208 electrical cables 211 212 and electrical connectors 215 216 connect the battery charger and load box to the system controller connector 216 is color coded green and connector 215 orange these colors correspond with colors on the connector sockets of the system controller in order to facilitate installation black connector 217 connects the system controller through cable 218 and connector 219 to relay box 220 12 volt cables 221 222 connect the relay box to two deep discharge type 12 volt storage batteries 231 232 and supply a trickle charge of 24 volts to batteries 231 232 which are connected in series the batteries in turn supply power at a greater rate under the demand of powering the gate actuator pump red connector 234 transmits the battery power the two 12 volt batteries 231 232 are connected in series in order to supply 24 volts through connector 234 and cable 236 to gate operator 240 sensors may be used in any combination infrared detector 241 exit sensor 242 or bumper strip 243.