Features: Adopting original CP2102 chip, with fast communication speed, stable and reliable performances, and good compatibility Supports multiple communication interfaces conversions: USB to RS232, USB to RS485, USB to RS422, USB to TTL Integrated power supply isolation on board, providing stable isolation voltage without the need for additional power supply at the isolation end Integrated digital isolation on board, signal isolation, high reliability, strong anti-interference ability, and low power consumption On board TVS (transient voltage suppressor), effectively suppresses voltage in the circuit, protects against light andESD protections Airborne self recovery fuses and protections ensure stable current/voltage output, prevent overcurrent/overvoltage, and improve impact resistance Fully automatic non delay transceiver circuit ensures fast and stable communication between USB port and different interfaces, without interfering with each other Specifications: Item：USB to RS232/485/422 TTL Converter Chip: Adopt Original FT232RNL Chip Size：As Pictures Package Includes: 1PC USB to RS232/485/422 TTL Converter note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!