This product is a Walthers Layout Control System Horizontal-Mount Switch Machine (942-102) that is new and comes in its original packaging. It is compatible with other Walthers Layout Control System accessories and can be used with HO, N, Z, S, and O scales. The switch machine is pre-built and made of plastic, the hand that moves the switch is metal. It features analog control with push buttons (sold separately) controls. or, it includes a integrated decoder for use with dcc turnout control. It is suitable for ages 14 and up.