Product introduction Accessory for KATO UniTrak. A system with a three-lamp type traffic signal installed on the left side surface of a single wire line with a length of 124 mm, which is half the basic length (248 mm) of the straight line. When the vehicle passes, it turns from green to red, and after a few seconds it automatically returns to red ? yellow ? green. LEDs are used for traffic lights, realizing hue and compact size. Touch sensor (flange touch) method of reliable operation, use also in the night scene is no problem. Also, because it is a single operation type for each unit, simply connect one red wire code (85 mm in total length) to the automatic signal machine power supply. * It does not operate as a signal machine with only 3 light type automatic traffic light machine. Please purchase accessory adapter (24-829) and automatic signal machine power supply (24 – 844) separately for connecting to power pack standard S. (From Amazon.co.jp) Three-lamp type automatic signal machine based on UniTrack Line 124 mm from Amazon. When the vehicle passes through, the signal changes from green to red, and after a few seconds it automatically returns to red ? yellow ? green. A light emitting diode (LED) is used for traffic lights, realizing a hue and compact size. Since it is a touch sensor system of reliable operation, there is no problem in use in the night scene. Since operation is independent and single operation for each machine, electrical wiring is completed only by connecting a single cord. Show all product descriptions