1 pcs DB9 Computer Data Cable & 1 pcs DB9 Computer Video Adapter Set the USB to 232 serial port line used by the console port of router switch (passed the test by MS HyperTerminal, SecureCRT and other configuration software) It can solve the problem of notebook and desktop without 9-pin 232 serial port. It is mainly used to configure and use the console port of router, switch and other industrial control equipment. (this ordinary machine can be used, but large machines can't be used) It can also be used in barcode reading equipment, telephone, mobile phone, digital camera, modem, ISDN and other terminal adapter communication. It is characterized by good compatibility (other low-grade products on the market have incompatibility problems among various devices, so it is difficult or even impossible to use them after buying them back. It takes time and energy and costs more money. You will know once you have experienced it), Material:plastic Data Cable: Supports Windows 98, windows me, Windows 2000, Windows XP, MacOS 8.6 or higher. CD with drive It supports usb1.0 / 1.1 specification and is compatible with USB2.0 size: 0.6m colour:Blue Adapter: Mini 9 DB9 male to male. Coupler connector Changes a female DB9 port to a male DB9 port. It is a fast and economical method of changing the gender on "d" type ports. Connect two female serial cables together or convert a 9-pin female connection to a 9-pin male connection. Connector type: RS232 DB9 male at both ends size:30x18x13mm colour:picture color Package Contents: 1 x Data Cable 2 x Adapter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.