Oh You! went through an extensive rework in 2019. Among other things we installed Shadow-Caster SC-24 underwater lights plus the basic controller. (
https://shadow-caster.com/). So far (1-year) we're happy with the performance. Below are some examples. They offer two different controllers. The basic controller has several modes that set and change colors, make them flash, etc. I plan to replace that controller with one that allows programming of colors from Garmin chartplotters, and sync with music. Shadow-casters are manufactured in Florida, but I found the company to be somewhat inconsistent in responding to questions, and their supplier network even more unreliable. They've been around for a decade or more, so that inconsistency is troubling.
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