... optional light source: LED, Halogen Tungsten, xenon GPS intelligent FeaturesLight source: LED or Halogen tungsten or pulsed xenon optional 155mm ... by microprocessor single-chip üGPS technology----bunch of lamps in one or more buildings can achieve synchronization without ... top of domeTechnical Data Operating voltageAC220V (50HZ)Light SourceHalogen Tungsten tube, long life LED, xenon lamp pulse three ...