Three electronic intelligent switch has become one of the smart switches which are rarely passed Rohs authentication. RoHS is formulated by EU legislation of a mandatory standard, the standard has been officially implemented on July 1, 2006 began, mainly for electrical and electronic products, materials and technical standards norms, the more beneficial to the human health and environmental protection. The purpose of this standard is to eliminate the lead, mercury, cadmium, six chromium, 6 chromium, and a total of two benzene ether substances in electrical and electronic products, and the content of lead is not more than 0.1%. Through the RoHS requires not only all the components are to be used with ROHS certification provider, and some packaging, printed circuit board (PCB) of each of the pads, each screw, guide plate all the internal and external material, to comply with ROHS standards. Through the RoHS, fully reflects the COOLTOUCH quality of the product for the high standard requirements, but also reflects the user is responsible for home life is responsible for the attitude.