InfoComm 2021: Elite ProAV Shows Presenter Pro DarkUST 2 Ambient-Light-Rejecting Projection Screen November 3, 2021 | Home / November 3, 2021 rave-video / InfoComm 2021: Elite ProAV Shows Presenter Pro DarkUST 2 Ambient-Light-Rejecting Projection Screen InfoComm 2021: Elite ProAV Shows Presenter Pro DarkUST 2 Ambient-Light-Rejecting Projection Screen