This is a an O27 Automatic Crossing Gate and Signal from Lionel. It"s for ages 8 to adult. Place this item at any grade crossing on an O27 model railroad. As the train approaches, red lights flash and the gate drops automatically to halt traffic. After the train passes, the lights stop flashing and the gate returns to the raised position. FEATURES: Highly realistic train contraption resembles any typical train crossing gate and signal on any road in America. Long gate is white with red stripes, while the Railroad Crossing sign is black with red lights. Automatic gate and signal operates between 10-14 volts alternating current and uses a 153C contactor, which is a single pole, double- throw electrical switch that is activated by the weight of a passing train. Included contactor may be attached to any straight section of track. Insulated track section (available separately) can also activate the automatic gate and signal. Refer to instructions. Service policy, service centers, and limited one year warranty are all included within packaging. INCLUDES: One O27 Automatic Crossing Gate and Signal REQUIRES: Installation (wiring and setup) O27 Scale Railroad Equipment and Power Source SPECS: Height: 9" (22.9cm) COMMENTS: Keep item safely out of reach of small children. Lionel part number 600-0019-301 is for the replacement signal lamp (see instructions). san 7/18/01 ir/jl