For UV-50B, 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 UV-50B has been well received by many customers and enjoyed a good reputation in many countries. ShaoXing ShangYu Yup Lighting Co., Ltd. UV-50B have characteristic design & practical performance & competitive price, for more information on the UV-50B, please feel free to contact us.