For Double layer lightbar, 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 Double layer lightbar has been well received by many customers and enjoyed a good reputation in many countries. WENZHOU HAIBANG INDUSTRIAL CO.,LTD. -（Police Equipment Co.,Ltd.） Double layer lightbar have characteristic design & practical performance & competitive price, for more information on the Double layer lightbar, please feel free to contact us.