Usb To Isolated 422/485 Tb, Leds - Locked Serial # Adapter Type: Serial/USBConnector on First End: 1 x Terminal Block RS-422/485 SerialConnector on Second End: 1 x Type B Female USB 2.0 USBFeatures: Surge Protection, LED IndicatorPackage Contents: USB/Serial Data Transfer Adapter,1 Meter USB Cable,Driver CD,Limited Warranty: Lifetime