Does not have the Mounting bracket that holds the unit.  Can be ordered on the Ergomart web site.
 
Utilize a small space while maintaining versatility
18" of instant vertical travel for monitor and keyboard
Handles LCD monitors weighing up to 20 pounds
Monitor is vertically adjustable above the tray
Sit or stand and comfortably use LCD and keyboard
Stow away mouse and keyboard by flipping tray up
Keyboard is securely affixed to tray with velcro
Keyboard trays with palm rests available
Wide trays include mouse holder that captures mouse when tilted
Cable management routes wire under arm segments
Optional braking system locks arm at any vertical position
Optional limiters are set to provide precise vertical range limits