QWK Challenger Mk3 (Pro Max) Circuit board Replacement

QWK Challenger MK 3 Circuit board replacement for the PRO MAX version of the QWK Challenger MK3.

The program inside this circuit board is only compatible with the PRO MAX gearbox of the QWK Challenger MK3.

Only works on the PRO MAX QWK Challenger MK3, WILL NOT WORK WITH THE STANDARD VERSION