... safe and reliable, elegant appearance, can be applied to various standard and model's LCD. Features:Bottom installation design;Hand-protect ... :2.5mm.Size: our normal size is 17'', 19'', 21'', other size can be customized.Function:1. Motorized control, Flexibility, stability, ... operation for any user to control;5. This LCD flip up device can be used with conference table& computer desk together. ...