This is a TOMIX product. The taillight and taillight mark light up on one side only. There are no problems with the power unit. Parts, stickers, etc. are unused and unopened. Sorry for the poor visibility. An adjustment screwdriver is also included. Please adjust the locomotive and speed before use. Please purchase after understanding and agreeing to use it for modifications, parts removal, etc. The base, rails, and background are not included. Please understand that I work on weekdays, so it may take some time for shipping. Rail gauge: N gauge Vehicle type: Passenger car