1. This is a USB RS232 to DB25 D-SUB 25PIN Male Adapter Null Modem Serial Communication Cable with a length of 5m. It enables seamless connection between different devices for serial communication. 2. The 5m cable provides sufficient length flexibility, allowing you to position your devices at a convenient distance while maintaining reliable serial communication. 3. The adapter features a male DB25 D-SUB connector, which is compatible with a variety of equipment that requires a 25-pin connection for serial communication. 4. As a null modem cable, it is specifically designed to facilitate communication between two devices without the need for a traditional modem setup. 5. The USB RS232 interface ensures easy connectivity to modern computers, making it ideal for applications such as connecting legacy serial devices to a computer for data transfer and control. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.