The product mainly use in large conferencing system, For holding conference, we need to use the display monitor, which hides in the conference table interior, lift the monitor from the conference up to the table surface; after using , the display monitor descent automatically and hides in the conference table, keep in pickproof & dustproof; Maintenance table surface smooth and artistic Specification 1、Brand name: CHUANGD 2、Model No: YJ-1 3、Power: AC220 50HZ 4、Power capacity: 25W 5、Time for come up & down: 18 seconds 6、LCD demention：15 inch 7、Dimension: 388mm*148mm*550mm (L.W.H) 8、Panel Dimension: 440mm*160mm (L.W) Feature A、Auto-control, easy to ascending & descending B、Uniformity of operation, quiet. C、The panel be control automotically,Overall control by using machine independent and central control.