... composed of lamp pole, control cabinet, signal lights and power source unit.1, Lamp pole structurearm (installφ400 traffic ... is easy to install and maintain.3, unit of power source It is made up of solar-cell panel,battery, ... charger. SpecificationOperation temperature-25~+70°CVoltageDC 24V+20%Emergency power supplyAC ~220V/50HzBattery capacity100AH/24VSolar-cell panel70W,24Vviewing distanceGreater ...