For Waterproof Solder A Code 3 pin 4 pin 5 pin 8 pin 12 pin Rear Front Mount M12 connector A. Common Packing: Certain Pcs + Zip Lock Bag + Label + Export Carton B. Common Packing: Colorful Inner Box + Export Carton C. Customized Packing: OEM Label, Inner Box, Blister, etc.