Camera with folding screen to turn it while you make the video recording.
Tripod that allows to fix the camera to obtain a stable image. It must allow an adjustment of the height in which the camera is located.
Sound quality is another basic element, so go for external microphones to avoid buzzing or background noise.
Good lighting is essential for the projected image. It must give all the prominence to the subject that appears on the screen with respect to the background, with enough light to capture colors and details, avoiding harsh shadows on the face.