Features:OOTDTY and high qualityAdopt FT232RNL , faster communicating, stable and reliable, better compatibility.Onboard unibody power supply isolation, provides stable isolated voltaged, needs no ex-power supply for the isolated terminalsl.Onboard unibody dial isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption.Multe Protection, Safe And Stable--- Onboard TVS (nsient Voltaged Suppreor), effectively suppre voltaged and nsient kes voltaged in the circuit, lightningproof protection.Onboard s-recovery protection s, ensures the current/voltaged stable outputs, provides over-current/over-voltaged proof, improves shock resistance.Industriarade metal material, supports wall-mount and rail-mount installations, solid and beautiful, easy to install.Specifications:USB interface:Working level: 5VInterface form: USB-B type interfaceRS232 interface:Interface form: DB9 maleInterface protection: TVS tube protection electrostatic protectionnsmiion mode: point-to-pointTTL (UART):Operating voltaged: 3.3V/5VConnector: screw terminalsProtection: clamp protection , over-voltage/negative-voltage proof, shock resistancensmiion mode: point-to-pointOperating envment:Temperature: -15℃-70℃Size:Approx.78x64.15mmm/3x2.52inchesPackage Includes:1x USB to RS232/485/422/TTL ConverterNote:1.Please allow 1-2cm errors due to manual measurement, e sure that you do not mind before you order.2.Due to the difference between different s, the ture may not reflect the actual color of the item.