... design. It is mainly composed of lamp pole, control cabinet, signal lights and power source unit.1, Lamp pole structurearm (install ... is easy to install and maintain.3, unit of power source It is made up of solar-cell panel,battery, AC charger. ... /50HzBattery capacity100AH/24VSolar-cell panel70W,24Vviewing distanceGreater than 200mMethods of communication RS485 half-duplex2.1Basic function2.1.1 General ...