As someone said before in another post, the LED is green, which for me is really powerful and can interfere with the night some people.
I do not have the product for a long time, so I can not say whether or not it is resistant. Nevertheless, in view of its low weight I think I must be careful not to damage the wiring inside the case by making movements in a bag with for example.
I bought this product in order to feed my raspberry pi and it completely fulfills my needs. Although I doubt that in time this is a viable product because of its fragility. Finally at this price is not too bad !!