I am dumb, please help

[ThisIsDUMBBBB]

My thingy (rukkus do dad) no longer works. It has worked for the past two years and then it just stopped all of a sudden now my ring my lights on my extra things nothing works anymore. I don’t even know what this is or why it’s here, but this is what’s not powering on in my little electronics closet please tell me how to fix it, let me know if I can get rid of this thing because the heck is it for.

model icx 7150-c12 p

sn **********