Compatible with the s88. The feedback decoder can be used with the Märklin Interface, the Märklin Memory and the Uhlenbrock Intellibox. The 16 inputs of the module are used for occupancy reporting or for triggering memory switching functions on switching tracks, switching contacts (cat. no. 6840) or can be connected directly to contact track sections on Märklin K and C tracks. Recommended for model builders and collectors as of 14 years. Due to scale and prototypical or functionally related design tips, edges and small parts. Therefore, out of reach of children under 10 years! With regard to the sales packaging that we fill with goods for the first time and hand over to private end consumers, we have joined the nationwide take-back system of interseroh SE, Cologne, to ensure that we mee.