A bright addition to any HO layout day or night! SceneMaster LED Wall-Mount Lights come fully assembled, and are easy to install on new or existing structures. Based on typical North American style lights, other features include: Fits steam-, diesel- and modern-eras Fully assembled with long-life LEDs Built-in dropping resistor Fits 3/32′ 2.3cm opening Use w/12-16V Power Supply #949-4799 (sold separately)