3 x 3 x 1.75 inches

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THE FASTEST SPYDER EVER: Calibrating your monitor to achieve color precision now takes just a minute or two – several times faster than previous models.
THE MOST ACCURATE SPYDER EVER: Groundbreaking lens-based color engine provides a higher level of color accuracy for multiple monitors. SpyderX Pro features room-light monitoring, automatic profile changing and significantly more precise screen color, shadow detail and white balance.