CR Siganls SO12DR 2 Aspect Distant LED Colour Light Signal with Safety Ring. A OO Gauge 2 Aspect Distant Signal. The signal is made out of finely etched brass components and features high performance surface mount LEDS. Fully finished and painted in matt grey with black signal face plate. Spare signal numbering is included, alternative numbering can be provided upon request. Provided with resistors fitted for 12v DC working.