| 摘要 |
A warning device includes a housing having a recess formed by a peripheral wall, a circuit board and one or more light bulbs received in the recess of the housing, and an insert received in the recess of the housing and engaged over the light bulb and the circuit board for retaining the light bulb and the circuit board in the recess of the housing. The insert may be made of silicon material for shielding and protecting the light bulbs. The circuit board may be coupled to such as the battery of the vehicle with a wire for energizing the light bulbs.
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