Reference the videos in this thread to see what it's about.
$165 shipped in the lower 48.
(Trickler not included)
I have 5 of my communication and output control boards left.
I also have a manual I wrote that I can send via email (PDF).
Some of the scale settings need to be modified. The manual goes over it step-by-step. Not difficult.
Also need to connect the output (red & black wires) to the button box.