You have to put a deep red filter on the lens to increase the contrast.
你还需要在镜头上加一块深红色的滤光镜来提高反差。
Surface mount LED lamp. High efficiency red, super bright green. Lens type water clear.
表面贴装LED灯。效率高红，超明亮的绿色。镜头类型，水质清澈。
Surface mount LED lamp. High efficiency red, super bright green. Lens type water clear.
表面贴装LED灯。效率高红，超明亮的绿色。镜头类型，水质清澈。
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