Could be nothing, for the price ... I thought ... at 30 euros
Was taught:
Goes optically good cook for 80 euros by ... and fits with the brushed stainless steel super the rest atmosphere. Can be adjusted by raising and lowering the toll arm and "in-itself-turn" of the light bar.
Battery cover clicks magnetically and hiding the on / off (but it is still good at; o))
Alone the battery case looks a bit "shaky" and cheap ... but that's not so you can see; o)
Conclusion: simple, pretty, valuable .... no flickering light ... am completely satisfied
... And dusting is not a problem: o)