Model: The signal has 2 built-in electronic signal circuits and 1 separate signal decoder. The distant signal can be used for all home signals. Control of all functions is possible in the digital system with the signal decoder included with the signal, or in conventional operation with a 72760 control box. The signal decoder can be installed under C Track or under the layout. For digital operation, the configuration and the address can be assigned and tested before the installation of the signal. Connections for controlling train movements and for 1 additional distant signal are on the signal decoder. Height without base 78.0 mm /3-1/16".