DCD-GS-BR-D 12x 2-wire DIESEL Era 3-light Ground Signal12x 2 wire LMS BR Ground Signal A pack of 12 x 3 lamp plug and play signals in 4mm scale (OO), supplied with NO control board. The DCD MGS BR D is the classic 3 lamp ground signal. It was first introduced in the mid 1930s and spread far and wide. Most are still in use today. This makes it a great choice for layouts of many prototypes and periods. This variant uses whiter LEDs to reproduce the effect of more recent installations of these signals, using