Programmable four-way buttons with OLED legends(Rack Fly Uno has 24 Rack Fly Duo has 48 Rack Fly Trio has 72)

24 RGB multilevel metering LEDs for Rack Fly Uno and Rack Fly Duo

Compact form factor

Rack unit or desktop console in one 

Ethernet with PoE (IEEE802.3af)

UniSketch OS