The letters ‘CE’ appear on many products that are traded on the single market in the European Economic Area (EEA).
The CE marking is required for many products. It:
By placing the CE marking on a product a manufacturer is declaring, on his sole responsibility, conformity with all of the legal requirements to achieve CE marking. The manufacturer is thus ensuring validity for that product to be sold throughout the EEA. This also applies to products made in third countries which are sold in the EEA and Turkey.
More information can be found here