16mm AD16 Series Pilot Lamp Pushbutton Switches,we are professional manufactory,copper,silver contacts,ABS materia Φ16 AD16 Series Pilot Lamp Type numberColorOperating ... VoltageAD16-16AR Red Y Yellow G Green B Blue W White6v,12v,24v,36v,48v ... Red Y Yellow G Green B Blue W White6v,12v,24v,110V,220V,380V 16mm AD16 Series Pilot Lamp Pushbutton Switches