Neptune skylights total of two. with waterbox 4820 peninsula. with multi-light RMS arm kit) and track kit 50.5 in

[Yellowlacletta]

I wanted to know if the two skylight Neptune LED aquarium lights/ multi -light RMS arm kit/ multi -light RMS track 50.5 in ecotec marine would work with my waterbox peninsula 4820. and I'll be mounting the light to the track with the RMS slide mount from ecotec Marina? I also added a photo of the equipment and the dimensions of my tank?? Pls help thanks

 

[blaxsun]

You want the RMS rail that's <47.2". So probably the next size down.