Model Number: 5 Pin AUC3 CableThe 5 Pin AUC3 Cable only for Canaan Avalon A721 A741 A761 A821 A841 A851 A911 A921 MinerCable required for to Avalon miners and connect them to the AUC connector.colour:Random Color(Random color, don't accept the specified color.)Material: plastic + metalSize: about 30CM in lengthPackage Contents:20 x 5-pin AUC3 cable (5-pin connector at both ends are sent randomly for the foreskin and without the foreskin, does not affect the use)Only the above package content, other products are not included.Note: Light shooting 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.