摘要 |
A rotatable light source device includes an upper cover, a circuit board, plural light-emitting elements and a base. The circuit board is disposed under the upper cover, and connected with the upper cover. The light-emitting elements are mounted on the circuit board. One of the light-emitting elements is electrically connected to a power source to illuminate. The base includes a receptacle for accommodating the upper cover and the circuit board. By rotating the upper cover and the circuit board with respect to the base, another of the light-emitting elements is electrically connected to the power source to illuminate.
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