# SerialPort Object * `portId` String - Unique identifier for the port * `portName` String - Name of the port * `displayName` String - Addtional information for the port * `persistentId` String - This platform-specific identifier, if present, can be used to identify the device across restarts of the application and operating system. * `vendorId` String - Optional USB vendor ID * `productId` String - Optional USB product ID