For sale is a 24 inch HP ZR24w computer monitor. It is in good shape, and I am the original owner. It has an IPS panel, so great color accuracy and viewing angles.

Specs from the manufacturer:
GENERAL
Dimensions (WxDxH) 21.9 in x 9.3 in x 16.7 in
Display Type LCD monitor / TFT active matrix
Aspect Ratio Widescreen - 16:10
Native Resolution 1920 x 1200 at 60 Hz
Contrast Ratio 1000:1 / 3000:1 (dynamic)
Color Support 16.7 million colors
Controls & Adjustments Brightness, contrast, color temperature, clock, Brightness, contrast, H/V position, color temperature, phase, clock
Dimensions (WxDxH) 21.9 in x 9.3 in x 16.7 in - with stand
Horizontal Viewing Angle 178
OSD Languages Chinese (traditional), Chinese (simplified), Brazilian Portuguese, English, German, French, Italian, Spanish, Dutch, Japanese
Vertical Viewing Angle 178
Color Temperature 9300K, 5000K, 6500K
Pixel Pitch 0.27 mm
Panel Type S-IPS
Brightness 400 cd/m²
Screen Coating Anti-glare, anti-static
Horizontal Refresh Rate 80 kHz
Video Bandwidth 200 MHz
Vertical Refresh Rate 61 Hz
ManufacturerHP

CONNECTIVITY
Interfaces
VGA
DVI-D
DisplayPort
USB 2.0 upstream (Type B)
4 x USB 2.0 downstream