According to article description can be used to 100 watt incandescent lamps from 20 watts to 280 watts and halogen lamps from 20 watts.
I have light bulbs with 25W, 40W and 28W with a halogen lamp and a ceiling washer (with built-in dimmer - Dimmer dims this very well) tested.
Unfortunately catch all the bulbs immediately when dimming to flicker!
Either these lamps is too low wattage (which still have to be ok according to item description) or my eyes are too sensitive.
If you want to dim lamps with greater wattage, this dimmer could it still be the right thing!
It does not matter for me is this dimmer useless and will send him back!
It is in all tested bulbs to energy saving light bulbs no !!!
Addendum !!!!!!!!!!!!!!!!!!
The dimmer described above was sent back to me and verified by the seller (HandyNow.de) and lo and behold, the dimmer dims in all brightness levels
without any flickering.
I'm very satisfied and can with a clear conscience that dimmer now.
MfG