This Deluxe Under-Table Switch Machine is designed for your HO/N scale railroad layout by Atlas Model Railroad. FEATURES: Nicely hides beneath your layout for invisible operation. Can be used with most Atlas turnouts (HO & N scales). A double-pole, double-throw relay with actuating mechanism. Can face in either direction for ease of use. Some of the things this switch machine can do includes: Power the frogs on HO Code 100 & Code 83 Custom Line and N Code 55 turnouts to eliminate the short ""dead-spot"" & prevent stalling of short wheel-based locos. Power trackside signal lamps to show switch point settings.Feed control panel lamps to show points setting of remotely located turnouts.Selective power control for dead-end sidings with all Atlas turnouts.