CONVERTS USB SIGNALS FOR USE WITH IEEE 1284 DEVICES SUPPORTS DATA TRANSFER SPEEDS UP TO 12 MBPSIDEAL FOR CONNECTING A COMPUTER USB PORT TO PARALLEL PRINTERBUS POWER SUPPORT REQUIRES NO EXTERNAL POWER SUPPLYPLUG & PLAY INSTALLATIONCOMPATIBLE WITH WINDOWSLIFETIME WARRANTYUPC : 766623317474Shipping Dimensions : 8.75in X 6.50in X 2.50inEstimated Shipping Weight : 0.8566