在不必要的情况下，要尽量避免多种光源间的反复切换，以延长灯管的有效使用寿命。

In case of unnecessary condition, don't try to switch from different light sources, elongating effective use life of lamp.

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本产品采用第四代绿色环保LED固态光源，耗能小、光效高、使用寿命长。

This product adopts the forth green environmental LED solid-state light source, costs little and works long with efficient lighting.

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使用寿命短，节能灯的光源会经常引起事故。

Premature failure of the usually long-life, low-energy light sources may also be occurring.

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