Feature:1. Good Converter: Enables bidirectional conversion between TTL and RS422 level signal, very convenient and practical.2. Secure Working: Comes with over voltage and over current protection to ensure the proper functioning of this 5V chip.3. Reliable Using: Using SMD components for better transmission and improve the system to work in various environments.4. Efficient Work: The full duplex 422 to single chip microcomputer UART serial port conversion has a higher efficiency.5. Easy to Install: Designed to have a light weight as well as a compact size, the installation can be quickly finished.Specification:Item Type: Level Converter ModuleMaterial: PCBWorking Voltage: 5V.Package List:1 x Level Converter Module