This is an incredibly useful product that offers the modeller a decoder testing facility in a non railway environment which can be vital before a complex installation. The bulb (included) acts as the motor in such a test. It also offers outputs to run a locomotive on DC as well as the facility to switch instantly between the Program and Main Tracks. DCC71 : Prodigy DC Adaptor Plate/Decoder Tester
not appropriate for children under the age of 3