... ,CCC,ISO approval professional more than 10 years BV63 switch indicator Color: green, yellow, red, blue, white availableCertificate: CE,CCC ... ,ISOExperience: more than 12 yearsOEM: welcome Indicator equally uses LED shining chip as light source. Because of ... product replacing the older kind of incandescent lamp and indicator of neon lamp.Huawu Electric is specialized in manufacturing ...