This product is suitable for smart key (3-button and 4-Button degree can be used) Product material explanation This product is made of polycarbonate (PC) under vacuum and high pressure What is polycarbonate (PC) material? Polycarbonate (PC) material in the automotive field, polycarbonate with its unique impact resistance, wear resistance, UV radiation resistance, light transmission and other advantages, become the ideal preferred material, and 40% lighter than the original material. So high end cars are widely used Polycarbonate board is one of the ideal daylighting materials in the architectural decoration industry in recent years because of its high light transmittance, impact resistance, UV radiation resistance, good dimensional stability and good processing performance. The thermal insulation performance of polycarbonate is 25% higher than that of ordinary materials, and its impact strength is 250 times higher than that of glass Advantages of polycarbonate (PC) key case This key pack has no effect on the signal The signal can be completely radiated Can effectively deal with cold and hot weather Product process explanation This product has 9 layers of manufacturing process It is sprayed with high density metal paint It is made of high quality (UV) vacuum plating Perfect combination of material and paint