Normally open momentary contact push button switches are recommended. Operates: 16 volt DC.
A 16 volt DC power source (at least 2 Amps) or 12-20 volt AC power source (at least 2 Amps) converted to DC with bridge rectifier is recommended, bridge rectifier & capacitor not included.
Kadee #166 transformer meets AC power source voltage requirements
Fits codes 100, 125, 156 and 172 track.