The main features of the Behringer X-Touch Extender include

The Behringer X-Touch Extender is a USB DAW controller that is an extension for the X-Touch or X-Touch Compact with eight touch-sensitive motor faders, LCD scribble strips, and USB Hub and Ethernet/USB interfaces. The X-Touch Extender is an ideal, cost-effective way to grow your current setup, and can even be used as a standalone controller for remote recording to your laptop.

Connectivity is simple using traditional USB connections, plus an Ethernet interface is included for use with DAWs that support RTP (Real-Time Protocol) MIDI remote control. The X-Touch Extender features eight fully automated and touch-sensitive 100mm motorised faders. LCD scribble strips grace the top of each channel fader, providing an instant visual readout of which track and parameter you are adjusting.