What is the difference between 1 and 4?
It looks like the piece that attaches to the ceiling is the difference. If it is a round or square piece. My issue is it doesn’t show how that mounts to the ceiling
Looks like round is totally a suction cup, square is an adhesive backed section attached to the plastic section with embeded hook.
I kinda like this, but not enough info, as some have pointed out, to make the purchase.
Hi there. Vendor confirmed they were the same so we’ll sell out one to avoid further confusion.
I hope they’re all the round adhesive mount…
These came without power supplies…no mention of this on the sale page. If an item is being sold with without a power supply, it should be disclosed.
It should have come with the USB cable.
Please reach out to Woot! Customer Service. To speed things up, let them know if you prefer a return/refund or a replacement (if possible).
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It has a USB cable but no USB power supply. I kinda expect things to work with whats in the box without needing to buy a separate power supply.
It has an adhesive backing. Just remove the plastic sheet from it. Be sure as to where you want it because it will be permanent.
I got the music mode working. Pressing the speed buttons adjusts sound sensitivity. Up for higher sensitivity and down for lower. Other thoughts about this. Not nearly as bright as shown especially the blues. Music mode is kinda meh. I found it better to choose a pattern and adjusting the speed to the beat of the music is more satisfying and less of a distracting strobe effect. They are stretching the truth a little saying it has 213 modes. Perhaps they are counting the individual speed and brightness settings for each mode to come to this number unless you need the app to access other ones not available from using the remote only. This is really more of a kid toy than for an adult. It is much easier than trying one of those DIY kits for the ceiling so that is something.
Seriously? NO one else?
The answer is…
THREE. 
I applaud thy sarcasm my friend!
Damn. Beat me to it.
Do you mean the wall adapter? Many manufacturers no longer include those to save money. Many people have extra lying around. Most phones no longer include them either.