Fig  1                               Fig 2                             

              Fig 3                     Fig 4 

Fig 1- CE Certificate of Conformity.

Fig 2- RoHS compliance certificate       

Fig 3-4 Patent of Electronics Butterfly from China  

RoHS, CE-EN71 Part 1/2/3,   CE-LVD,  CE-EMC

RoHS – Stands for Restriction of the use of certain Hazardous Substances in electrical and electronics equipment or product.

The restriction came from instruction 2002/95/EC. The following six elements are not allowed to use in any products import to EU. They are Pb, Cd, Hg, Cr6+, PBB, PBDE.