This product is only for the power pack body. When using it, please use it together with the optional AC adapter for N / HO. Power Pack is a device that converts AC (AC) 100 V home power supply into DC (direct current) for railroad model, carries out vehicle control, point switching, power supply to traffic lights, etc. Pulse width modulation system (PWM control) adopted. Corresponding to slow running, you can enjoy more realistic driving of the vehicle. Drive output increased to 1.2 A. Stable running is possible. Lights such as head / tail lights and interior lights can be turned on even at the time of stopping. KATO is a Japanese company that plans, manufactures and sells railroad models. It is one of the leading manufacturers to sell railroad model. KATO sticks to its own production and develops many models not only in Japan but also overseas. Various technological developments are being made to make models that are more realistic, and they are highly appreciated from overseas. The feature of KATO's N gauge is that they are cheaper compared to other manufacturers selling railroad models and that parts can be easily obtained and it is possible to repair by yourself even when repair is necessary. Moreover, since the running performance is also good and after-sales service of the maker and customization service are enriched, it is easy to handle for beginners who purchase N gauge for the first time. Compared to the past, vehicles with real parts installed as standard are also substantial, and despite being affordable and inexpensive, the details are solid. The model of KATO has a feature that it is easier to collect because there are many models that are made with commitment even compared with products of other companies.