LED Traffic Light.jpg
Syafiqshahalam at [http://en.wikipedia.org en.wikipedia]
en
LED Traffic Light, A Led Traffic lights
commons
en
LED Traffic Light, Traffic signals with light-emitting diodes
commons
ja
LED交通信号機
commons_translated
ja
LED トラフィックライト、発光ダイオードによる信号
commons_translated
light-emitting diode traffic light emit emitter stoplight automobile traffic traffic