Seiki SE401GS 40-Inch 1080p 120Hz Slim LED HDTV Slim LED with 1.97" screen thickness (vs. comparable LCD TVs with screen thickness of 4" Aspect Ratio: 16:9 and Contrast Ratio: 2200 3000:1 Refresh Rate: 120Hz and Response Time: 10ms Brightness: 200 250 cd/m2 Built in 3D PAL/NTSC Comb Filter and 3D Video Noise Reduction