Unknown controller /kit, lcd. Please help

Joined
Jun 13, 2018
Messages
11
Hello
I"m new on this forum, and i hope i post in the right place.
Two weeks ago, i ordered a bike kit from a local site.
In the product page it says 48v 2000w rear wheel kit.
It came yesterday, but it.s very strange.
I have only one button, a on off, on the lcd. (sw900) So no settings. (from all the kits seen on youtube, it should have 3 buttons, up, menu, down.

And a strange looking controller.
Please help me identifying it, to research about it, it's functions, etc.
I disassembled it to look inside.
I attach the photos here, hope the site lets me do that.
 

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