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