>>299573080
It wont be enough light. You might be able to see the room but the cameras cannot if the room is not decently lit. I have tested this with both a Rift S and Quest. Non inside-out-tracking Headsets with light houses don't have this issue because they operate on the same principle that this anon said >>299573859

I am actually going to be testing an IR illuminator that I bought for really cheap. On a side note you can use a kinect for the same thing if you have one lying around