| 摘要 |
An electric bulb for identification lamp comprising a bulb head, a bulb body, a plurality of light emitting diodes (LEDs) setting over the peripheral surface surrounding said bulb body, and a power supply unit to feed said LEDs, wherein, said power supply unit is set within said bulb body, and said bulb further comprises a connector with one end fixed connected to said bulb head, while another end rotably connected to said bulb body by apply a proper torque. Therefore, the advantages of such bulb are low power consumption and long lift-time, as well as light distribution well with emitting direction adjustable by rotating its body to show a noticeable identification with soft light to the viewers from both side. It also applicable for any lamps where the adjustment of light emitting direction is required.
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