As Doc rightly says the CE Mark merely indicates that the product complies with EU legislation however it is easy for a rogue manufacturer to print the CE mark on anything he wants and this practice is widespread on products that require the CE mark or not.

If you are serious about buying this sort of product then you should demand copies of the test results, compliance certificates etc . More info here

http://ec.europa.eu/enterprise/polic...g/index_en.htm