In submersible donut-type LED, the nozzle occupies the central part of the led light which optimizes the amount of light that reaches the water jet.

They can be white or RGB. Depending on the configuration of the fountain, the number of lights and their power are selected. They are manufactured with a central hole between 1 "and 2". In the case of colored led lights, the control of the sequence of colors changes is chosen according to the complexity of the show.

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