Hoist Mi7 SMITH + Functional Training System boxing bags The Energy Saver button lowers VO3 2131 SET 5 100 The Energy Saver button lowers energy consumption when unit is on but not in use and flat plastic rungs prevent tripping The Mi7 Smith Functional Training System is a completely innovative home gym that maximizes space by combining the MiSmith Dual Action Smith with the Mi7 Functional Trainer with a walk through design to deliver a sleek and efficient gym unlike any other Walk through to the other side of the Mi7Smith and the Mi7 Functional Training System features dual Silent Steel® weight stacks with 360 degree rotating columns for a completely free range of motion