This product has a large quantity of 12V24V general-purpose models. Contact customer service Wangwang has the advantages of CE certification; 1 factory in stock inventory; Absolutely meet the rapid replenishment of various merchants; 2. The product can provide personalized OEM silk screen printing logo;3 all products have patent protection, the certificate has CE certification and RoHS certification. 4,; Support one piece dropshipping, help deal with pre-sales and after-sales, 5, default red, other colors please contact customer service, contact number 15258911336 manager Li