2 aspect signal OO scale

This 2 aspect signal is pre wired and ready to fit to the layout. It is made using LEDs and has a resistor fitted ready for connection to 12 volts DC supply, The wires are colour coded for ease of installation black wire is positive, Red wire for the red LED and the green wire for the green LED these are the negative connection Height is 78mm Finished in grey this is sold as single unit and the picture is for Illustration only any question contact me via contact box