We haven't had a chance to fully test this product yet, but we've assembled this helpful overview of relevant information on it.
The Insignia NS-55E480A13A is a TV with a 55-inch LED-backlit LCD display. The NS-55E480A13A utilizes 1920 x 1080 pixel full HD native resolution, a 70,000:1 dynamic contrast ratio, and a 120 Hz refresh rate.
December 7th, 2012
1080p Full HD Native Resolution
120 Hz Refresh Rate
70000:1 Dynamic Contrast Ratio
Max Refresh Rate