Hardware parameters:RS232 female interfaceGeneral standard:transparent transmission, support IEC62056-21, IEC1107, DLMS, MODBUS and other communication protocolsUSB driver:support multiple versions of Windows , for MacOS, Linux and other rate:Communication rate supports 300-19200bpsDimensions: Diameter:32mm Transmitting and receiving distance:6.5mmType:Infrared Converter CableName:RS232 to near-infrared IR converterInstallation:25mm * 15mm * 5mm galvanized magnet, magnetic adsorptionEnvironment: Specified working range -25C-70CHow to use the productJust connect RS232 to the handset (-USB) or the DB9 port of the computer.Interface:RS232 female headFeatures:no external power supply requiredRemarks:The RS232 interface has a power board, and the output is stable at 5VOccasions of use: computer desktops, workshop calibration Remarks: This must be used when connecting to a desktop computer, because the RS232 interface of the desktop computer cannot output power, and the tooling itself must output 5V power to drive communicationColour:As ShownMaterial:plastic+metalSize:About 1.5 meters longPackage Contents:1 * infrared converterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.