1.pop up type manual control; 2.screen brand: Samsung; 3.Angle can ... '', 19'', 21'', other size can be customized.Function:1. Manual control, Flexibility, stability, waterproof and dust proof;2. The ... rotated from 0-90 degrees;3. Press panel type, manual control;4. Very easy operation for any user to ... with conference table& computer desk together. LCD screen manual pop up type for conference equipment