Flawed, but it works.  Obviously made in a cheap Chinese factory with no quality control.

For Kilograms, it actually displays pounds.
For Pounds, it displays a fictitious unit of weight: #lbs*2.20 (There are ~2.2 pounds per kilogram)
For example a 7 pound object displays as 7kg and 15.4lbs.  Herp Derp, I good at maths :P

They must have switched it around somehow, their base should be kilograms and pounds SHOULD BE equal to kg*2.2.  Instead they used pounds as a base and screwed it all up, took me a few minutes to figure out...

I can still weigh stuff in lbs with the kg setting, but it's pretty careless manufacturing.  Oh well, for $12 what was I expecting...