This is a Pair of HO Scale Lighted 2-3 Way Traffic Lights with Relay from Model Power. FEATURES: Two standard traffic lights with red, amber, and green lights wired together to work as a pair. Round black plastic bases with black poles. Includes pre-wired switch. Carded packaging. INCLUDES: Two HO Scale Lighted 2-3 Way Traffic Lights with Relay. REQUIRES: HO Scale Train Equipment Adult Supervision SPECS: Scale: HO 1:87 Height: 2-1/2" (63.5mm) COMMENTS: Keep away from children under 3 years of age due to choking hazard. sdw 3/21/01 ir/jl