Warranty: 90 days Display Panel 21" Resolution 1600 dots x 1200 dots Aspect Ratio 4:3 Response Time ＜25ms Viewing Angle +​/​- 85º Left, Right +​/​- 85º Up, Down Display Signal - DVI - Analog RGB - Composite video - S-Video Return Policy90 days warranty Return in case of manufacturing defects Return for incopatibility assumed by the buyer