Power Cab Partner 
A feature rich all in one Power Cab accessory with everything you need in a tiny package.
A simple, easy to use dedicated programming track output.
Built-in USB interface. 100% plug-and-play. No jumpers or drivers are needed.
An additional NCE Cab bus jack so the Partner can be added anywhere on your layout using standard NCE cab bus cabling.
Self-contained in the sturdy and lightweight NCE micro form factor case used for many products. Velcro or double-stick tape can be used to mount it anywhere you need it.
 
$94.95 MSRP Part Number: 5240327
https://www.ncedcc.com/online-store/Power-Cab-Partner-p568865280