Usage Tips:Features: Brand and high quality The Dafensoy USB to RS232 Adapter provides a seamless connection between traditional serial devices and modern USB interfaces. Crafted with PVC material, this adapter ensures reliable signal transmission and durability. Suitable for professionals, engineers, and computer enthusiasts who need a convenient solution for connecting serial devices. This versatile adapter can be used in various scenarios, such as linkingS computers to printers, debugging tools, and more. With its compact and portable design, the Dafensoy USB to RS232 Adapter is perfect for easy transportation and usage. Specifications: Material: PVC Package Includes: 1PC DB9 Female to USB mini 5 Pin Male Cable Adapter note: No retail package. Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you.