The Dell S2719DGF has a 33.8-395.1cdm/2 brightness range, and a 960:1 contrast ratio at 60, 144hz and 155hz. The Dell is dim (33.8cdm/2) enough for use in light-less rooms at 0% brightness (0/100 in the menu), and bright (395.1cdm/2) enough for use in open, brightly lit office rooms.