Specification:Brand: RJXHOBBYLength: 40mmWidth: 18mmWeight: 13gMaterial: NylonColor: Black+YellowFeature:Connector: XT-60 in series connection.No wires go with it, only connector.Run dual-battery power for increased speed.Great alternative to larger heavier series connection adapter. Very compact, it is the best option for in series connection.Package Included:1 X XT-60 in series connection Connector