The 19 prolite e1980sd is a led backlit monitor with 5 ms response time high contrast and srgb and gamma correction functions that permit even the finest nuances of color to be set accurately technical specification display size 19rdquo tn panel led backlight resolution 1280 x 1024 response time 5ms aspect ratio 54 contrast ratio 10001 brightness 250cdmsup2 viewing angle horizontalvertical 170deg 160deg rightleft 85deg 85deg updown 75deg 85deg pixel p