NOCH 97307 / Rokuhan C005 - e-Train Controller
See Rokuhan website which explains how to use.
http://www.rokuhan.com/e-train/
Remarks
AC adapter (12V/1.5A DC) is enclosed.
i-Phone / i-Pad (with iOS equal version 8 or upper) or Android phone / Tablet (with OS equal version 5 or upper) is necessary to operate.