This is an HO Scale Lighted North American Signal from Model Power. FEATURES: Two round plastic plates with shaded lights, red on top and green on bottom. Black plastic base with silver pole. A silver ladder runs up the back for signal maintenance. Includes 3-way prewired switch. INCLUDES: One HO Scale Lighted North American Signal. REQUIRES: HO Scale Train Equipment Adult Supervision SPECS: Scale: HO 1:87 Length: 7/8" (22mm) Width: 1/2" (13mm) Height: 3-7/8" (98mm) COMMENTS: Keep away from children under 3 years of age due to choking hazard. sdw 3/20/01 ir/jl