Datacolor's Spyder4Express provides a simple, cost effective way to calibrate a monitor -- it features a patented, full-spectrum 7-color sensor that can accurately characterize a variety of wide-gamut and normal displays. Calibrate your monitor, laptop computer, or even your iPad or iPhone. The fourth-generation sensor employs double-shielded filters for longer life and optimal performance.
Windows XP 32/64, Windows Vista 32/64, Windows 7 32/64
Mac OS X Panther (10.4), Leopard (10.5), Snow Leopard (10.6) and Lion (10.7)
Color monitor with at least 1024 x 768 resolution
24-bit video card
Powered USB port