This is the O Scale Operating Crossing Gate from Williams by Bachmann. Suitable for Ages 14 & Older. FEATURES: Requires standard 12-14V AC railroad accessory power connection for operation Gate raises and lowers Operation can be triggered by a push-button, insulated track section, or other sensors INCLUDES: One Operating Crossing Gate SPECS: Scale: O 1/48 Length: 7-3/4" (196.85mm) tlc 5/15/12