Hi @DMF,
A warm welcome here at the Roku Community!
We understand that you have a question about Roku Cameras. The $39.99 is only per Roku camera, which you will pay yearly. In addition, the Camera Plus Subscription covers up to 99 cameras and includes video doorbells.
For further references, you can visit our Roku support page here.
Let us know if there's anything else we can further assist you with besides this.
Best regards,
Chel
Jecheal R.
Roku Community Moderator
