Features HALF DUPLEX MODE: This converter adapter support USB and RS485 half duplex signal transmission, transmission distance up to 1200 meters AND CHIP: USB to RS485 converter onboard 500mA self recovery and transient, and CH343G chip driver, safe and reliable, you can use with confidence DIODES PROTECTION: USB to RS485 converter adapter adopt prevent lightning and non static design to suppress diode and realize circuit protection WIDE APPLICATION: Industrial USB to RS485 converter support scanners, printers and other types of digital equipment, support a variety of compatible STABLE AND RELIABLE: USB RS485 converter has the advantages of prevent overvoltage and overcurrent, long distance transmission, low delay and low power consumption in signal transmission, stable and safe communication 1. HALF DUPLEX MODE: This converter adapter support USB and RS485 half duplex signal transmission, transmission distance up to 1200 meters 2. AND CHIP: USB to RS485 converter onboard 500mA self recovery and transient, and CH343G chip driver, safe and reliable, you can use with confidence 3. DIODES PROTECTION: USB to RS485 converter adapter adopt prevent lightning and non static design to suppress diode and realize circuit protection 4. WIDE APPLICATION: Industrial USB to RS485 converter support scanners, printers and other types of digital equipment, support a variety of compatible 5. STABLE AND RELIABLE: USB RS485 converter has the advantages of prevent overvoltage and overcurrent, long distance transmission, low delay and low power consumption in signal transmission, stable and safe communication Specification: Item Type: USB to RS485 Converter Transmission Distance: Maximum 1200 meters Conversion Mode: USB to RS485(half duplex signal transmission) Chip Model: CH343G PackageList: 1 x USB to RS485 Converter Package List 1 x USB to RS485 Converter