DCD-GS-MG 12x 2-wire 4 LED UK Modern Ground Signal12x 2 wire 4 LED UK Modern Ground Signal A pack of 12 x 4 lamp plug and play signals in 4mm scale (OO), supplied with NO control board. The DCD MGS MG is a modern UK 4 lamp ground signal that uses LEDS in the prototype. It was first introduced around 2000 and is now being used to replace many 3 light signals as they reach the end of their life. Many are still in use today. This makes it a great choice for more modern layouts of many prototypes. Use as