Welcome to the Wyze User Community Forum @07w! 
Without a link to the actual promotional material it is difficult to say which promotion you have there.
But, the code you indicated appears to be for an expired promotion previously offered unless they have reactivated it for the Black Friday event or never deactivated it. If the code still works and gives you the discount when checking out, it is still active. If it is inactive, the checkout process will tell you and not apply the discount.
That promotion was for 20% off Monthly Cam Plus Unlimited (regularly $9.99 monthly) for 12 months. That would be $7.99 monthly for 12 months then $9.99 monthly if not cancelled before the end of the 12th month. The monthly subscriptions renew at the end of every month when they are rebilled.
Cam Plus Unlimited Annual is still $99.00 annually.
EDIT: I found another topic discussing the same. Perhaps this is the same promotion you are referencing:
