For 12V piezo indicator, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our 12V piezo indicator has been well received by many customers and enjoyed a good reputation in many countries. HONGCHANG(CHANGZHOU) ELECTRONIC CO.,LTD12V piezo indicator have characteristic design & practical performance & competitive price, for more information on the 12V piezo indicator, please feel free to contact us.