WIRELESS ROCO MULTIMAUS PRO MULTIZENTRALE PRO ROCOMOTION ESU LOKSOUND 3.5XL 2048 - YouTube
Roco 10813 Z21 Ratón de multi WLAN : Amazon.es: Juguetes y juegos
Trying to take the voltage down from 18V to 10V to connect my z21 start to märklin z feeder track but the z21 won't give any power. Anyone familiar with DC DC