The Lionel LionChief Polar Express Handheld Remote Controller WJ-M101L is a sophisticated device designed specifically for controlling model railroads in O gauge size. With the signature quality and reliability of the Lionel brand, this remote controller offers easy and precise operation for creating an immersive and enjoyable train simulation experience. Perfect for hobbyists and train enthusiasts, this handheld remote allows users to effortlessly adjust the speed and direction of their trains, bringing their model railroad to life with the touch of a button.