... developAD22-22B,C,D,E,G,H,double color lamp, position indicator,shining buzzer and mini short indicator ... international standard lampshade. Main technical target: (1)Voltage of working frequency:205kV(AC valid calue),1min.(2 ... to IP67(8)Using frequency:AC50~60Hz Yueqing Xindali,which is a reputable and professional low-voltage electrical materials ... to you! NEW LED Indicator Light/signal lamp AD22C-16D