The Bachmann Alco RS-3 with E-Z App Train Control is a model replica of a diesel locomotive in 1:87 scale. This specific model is branded as New Haven #543, adding authenticity to collectors and model railroad enthusiasts. The E-Z App Train Control feature allows for easy operation and customization, making it a versatile addition to any train layout. Perfect for those looking to expand their collection with a high-quality and detailed locomotive model.