Enhance the realism of your model railway with the MTH 30-1089-1 O Single Lamp Operating Traffic Light Set. These miniature bulbs come in a set of two and are perfect for adding a touch of authenticity to your railroad scene. Designed for scale 1:48 and gauge O, this accessory is suitable for collectors and hobbyists aged 17 years and up. The MTH brand is known for its attention to detail and quality, making this traffic light set an excellent addition to any collection. Whether you're creating a bustling city scene or a quiet rural crossing, these operating traffic lights will add a touch of realism that will impress even the most discerning model train enthusiast.