Each arm is a 400w PS-MH, so 1,600w of light. 3k, 4k, 6.4k and 10k Kelvin bulbs. For bloom the 10k is dropped in favor of another 3k until the last week or so when it's best to go with 2 of the 10k and 2 of the 3k.
The lights moving prevents 99% of shadows on all the leaves so everything is productive and frosty. Let's see what she'll do.