NEC MultiSync 77F 17-Inch CRT Monitor ( PC / Mac ) 17-inch flat square CRT (16.0 viewable image size with sharp 0.27mm trio dot pitch provides images that are sharp, crisp, finely-detailed and rich with true colors Selectable resolution settings from 640x480 to 1280x1024 @ 66Hz Superior OptiClear screen surface enhances focus and contrast, while preventing dust buildup High refresh rates eliminate flicker Unlimited colors depending on display card used