Dell S2309w 23-inch Widescreen Flat Panel Full High-definition LCD Monitor 23-inch Widescreen Flat Panel Monitor Full HD 1920 x 1080 Resolution for Stunning Detail and Clarity 5 milliseconds Response Time (Typical) ideal for Multimedia and Gaming Usage High Contrast Ratio 1000:1 (Typical) for great contrast and detail 300 nits Brightness (Typical) 160 degree vertical / 170 degree horizontal