For VR: 20~40V, 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 VR: 20~40V has been well received by many customers and enjoyed a good reputation in many countries. Merryelc VR: 20~40V have characteristic design & practical performance & competitive price, for more information on the VR: 20~40V, please feel free to contact us.