| 摘要 |
An ornamental display includes a stand holding a plurality of lamps, bundles of optical glass fibers respectively fastened to the stands to pick up light from the lamps, a speaker, and a control IC controlled by a photoelectric switch and a sound-controlled switch to turn on the lamps in producing a lighting effect and the speaker in producing a sound effect when the intensity of ambient light drops below a predetermined value or, when a noise is produced.
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