1.motorized monitor. 2.Motorized,manual, RF remote control; 3.RS232, RS485 ... alloy(black/sliver)—thickness: 5mmSize: our normal size is 17'', 19'', 21'', other size can be customized.Function:1 ... be stopped at any position in this range;3. Motorized type, manual control or RF remote control is available ... conference table& computer desk together. hand protect motorized monitor for audio visual equipment