I conncted these to wires available (OpenRov 2.8). Don’t remember the colours, but I found it somewhere here on the forum what wires that is for external lights. Then I set up in cloud9 what controls to use for controlling the lights. So I can control the internal and external lights independent. It’s also dimming in steps, just like the internal lights. So far I have not used them on full power (just for testing), because it’s too much light, generating reflections from water etc. Guess it can be useful on full power in clear water when dark. In cloud9 the codes for external lights is in another folder than the other ones, remember I had to look around a bit in the folders before I found it. Let me know if you need help to identify the wires, and the cloud9 code, and I’ll check it out for you. I potted the leds up to the led surface, but did not cover the surface. So far I’ve had a lot of dives, deepest 50m, and they’ve been working without a glitch.