AD16-22CS 22mm high quality industrial mdicator light B type led pilot light signal lamp electronic components type : AD16-22SM place of origin : Zhejiang Province,China(Mainland) brand name : NIN type : AD16-22SM mounting diameter : 22mm color : white green red yellow blue material : plastic frequency : AC50-60HZ lamp voltage : DC/AC 6V 12V 24V 36V 48V 110V 220V 380V life : more than 30000 hours IP rating : IP65