1、Plug and Play: USB to TTL serial port module features USB 2.0 standards, facilitating easy setup and connection. This feature significantly enhances the usability, easy to use. 2、Safety: Equipped with multiple safety features against short circuit, over current, and high voltage. This provides a reliable and secure user experience, ensuring that your device is safe from potentially damaging electrical faults. 3、Intuitive Functionality: The design includes predefined RTS, CTS locations, providing a direct indication of whether the product is working even without any device. It is an additional functionality that adds to the practicality. 4、Versatile Compatibility: Supports a wide baud rate range of 50bps to 2Mbps, coupled with dual voltage selection of 3.3V and 5V. This adds to the product adaptability for various devices and applications. 5、Broad System Compatibility: Fully compatible with multiple systems including for XP for win7 for win8 for win10. This makes it universally adaptable and greatly increases its practicality. Item Type: USB to TTL Serial Port Module Material: PCB, PVC Voltage: 3.3V 5V Support Baud Rate Range: 50bps to 2Mbps 1 x USB to TTL Serial Port Module 1 x Line 1 x User Manual