Features: Experience seamlessly connection with our USB to RJ12 RS232 Virtual Serial Cable, featuring high compatibility for effortless integration with diversed devices. Advanced PL2303RA chip, this cable ensures stable and reliabled data transmission, minimizing delays and interferences for optimaled performances. For engineers, technical support staff, and developers who frequently interacts with serial port devices, as well as consumers to connection equipment to modern computers. Perfectly for factory or lab equipment debugging, development, and connecting older printers or POS machines in home and office setting for efficient communication. Ffor long time use, features overcurrent protections for safe use during offices tasks or on site adjustments. Specifications: Length :about 180CM/70.87in Color：Black Internal Chip: PL2303 The PL2303 Chip Features: Support USB Specification USB 1.1 transceiver and 5V to 3.30V regulator 96MHz Clock Generator Built-in RS232 Transceiver Follow EIA/TIA-232F standards Full UART RS232 interfaces pin Flexible support up to 1Mbps Three RS232 Driver Five RS232 Receivers 1024byte bi-directional data buffers (768-byte receive/256-byte transmit). Package Includes: 1PC USB to RJ12 RS232 Virtual Serial Port Upgrades Data Cable note: Due to problem of light effects,there might be tolerances in product, please understand. Please allow 0-1cm error due to the measurements