... up and down monitor4.Aluminum alloy material in surfaceFunction:1. Electric control, lifting comfortable, height-adjustable. 2. Flexibility ,stability , ... the "UP" button (remote control or manual control), the LCD monitor wil be rising to the level with desktop, and can ... for replace if necessary. within 1 year warrantyAdvantage of our facotory:1,Customized according to requirement.2, support ...