the lights change from green to red and then back to green after the train passes

• Non-drifting phototransistor

Model Number: 1927120

Model Number: 6-12989

FS37200 Flat Gunmetal

InterMountain 4981603S HO U.S Army GP160 Diesel Locomotive #4614 ProductID_12382814 the lights change from greenThis is an InterMountain 4981603S HO Scale US Army GP160 with Sound #4614. It Features: All are Ready to Run. Some details may be included for installation by the modeler. Non Sound are equipped with an ESU LokPilot DCC decoder. Sound units are equipped with an ESU LokSound Select DCC decoder. Features plastic body construction, detailed plastic trucks, a motor, operatign knuckle couplers, and metal wheels and axles. Condition: Factory New (C 9)