This remote is used for all 3XLR sex machine, works for sex machine with orginal power cord. ?HOW TO USE? Please Note that the remote cannot be used for machine alone!One port connect with the power and another connect with sex machine,then adjust the orginal controller button to max, then the remote works! ?Product specifications?: 1 data line + controller box+ romote. ?Compatible Models?: Not compatible with all sex machines, please check the product image for details. ?Why need the control set??If the 3XLR machine can not be remote control, you can purchase this set to update your small sex machine. ?Important TIP ?:The connection order of the 2 ports of the control box must not be confused, otherwise the machine cannot be started. And the remote control is only effective for the control box, can not control the machine alone.