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 Complete instructions provided. INCLUDES: One Deluxe Under-Table Switch Machine Installation Hardware REQUIRES: Small Drill (#55 or 3/64") Phillips Screwdriver SPECS: Scale: HO 1:87 N 1:160 kr11/4/02 ir/jxs