This product is designed for non-face-to-face use, as you know when you actually receive it.
Even if you have a good angle, you can see the picture before the change after the change unless it is shown in the video.
Please refer to and purchase.
You'll know when you actually receive this product, but it's made for non-face-to-face use. Even if you're good at angles, you can actually see them. But please note that you can't see it when you shoot the video.