... price and efficient services Certified by CE,CCC,ROHS,UL,TUV,ISO9001 AD22(LED)series of indicator is equally ... used LED shining chip as light source with long life,low consumption, small volume and ... developAD22-22B,C,D,E,G,H,double color lamp, position indicator,shining buzzer and mini short indicator,as ... and efficient services to you! NEW LED Indicator Light/signal lamp AD22C-16D