robgraham wrote:

http://www.aldi.co.uk/uk/html/offers...?WT.z_src=main

I've not seen the 4w mains adaptor that plugs directly into a socket
before - anyone any experience with this.

No. Presumably that knob attempts to lock the thing in place? But From
the look of it, you could accidentally apply a *lot* of leverage to the
plug part, snapped-off pins anyone?