This display is in perfect working condition and has been used as a second monitor for a laptop. There are some barely noticible cracks on the clear part of the case near the top, but no show-stoppers. Please see the specs below:

Screen size: 20-inch (viewable) active-matrix LCD
Maximum Resolution : 1680 by 1050 pixels
Viewing Angle: 170° horizontal; 170° vertical
Color Support: 16.7 million colors
Input/Output ports: Apple Display Connector; two-port, self-powered USB hub

The Apple Cinema Display requires Mac OS X v10.2 or later, and one of the following systems:

- Power Mac G4 with an NVIDIA GeForce2 MX, GeForce3, GeForce4 MX, or GeForce4 Titanium graphics card; or with an ATI Radeon 7500, 9000 Pro, or 9700 Pro graphics card

- PowerBook G4 with a DVI port and an Apple DVI to ADC Adapter

Height: 17.3 inches (43.9 cm)
Width: 21.34 inches (54.2 cm)
Depth: 6.93 inches (17.6 cm) minimum; 10.43 inches (26.5 cm) maximum
Weight: 18.9 pounds (8.6 kg)