... Open Sequence:First enter the working part of 2-in-1 decoder and pick tool into the button of lock ... cylinder,then unfold the driven Lever of 2-in-1 decoder and pick tool, Meanwhile use appropriate strength hold ... can open the light)First Pick Side "A" No.1.3.5.7 wafer, and then pick the side "B" No ... be openedDecoder sequence:First read the Side "A" No.1,3,5,7 wafer, and then read the side"B" No ...