... Certified by CE,CCC,ROHS,UL,TUV,ISO9001 AD22(LED)series of indicator is equally used LED shining chip as light ... we developAD22-22B,C,D,E,G,H,double color lamp, position indicator,shining buzzer and mini short indicator,as well ... as design shape of AD22-22G/22GS series button and it is possible to meet all kinds ... efficient services to you! NEW LED Indicator Light/signal lamp AD22C-16D