... computer lcd monitor lift 1. Aluminium panel 2. Hand protect function; 3. Manual, RF remote, RS232/485 control; LCD Lifter is a hidden LCD automatic ... good shockproof performance;4. Our regular size is 17", 19", 21", other size can be customized;5. Humanization design, the ... good shockproof performance;4. Our regular size is 17", 19", 21", other size can be customized;5. Humanization design, the ...