IceCube LED .
No I did not drill all the way through the swim Deck. ( ¼ screws only holding on by about 4 threads, also used silicone)
Did a water test in my pool and works great. I have put about 10 hours of running time on them at my local lake with no problems. Have not had them out at night yet, as we are not allowed on the local lakes after dark. Taking it to Lake Mojave in 2 weeks . Will take picks and post.
Total cost of mod is was $45. for everything