Forget the he Nit use candela per square meter

Most consumer desktop liquid crystal displays have luminances of 200 to 300 cd/m²;^[2] the sRGB spec for monitors targets 80 cd/m².^[3]HDTVs range from 450 to about 1000 cd/m². A luminance of at least 800 cd/m² is required for a screen to be viewable under direct sunlight

Candela per square metre - Wikipedia, the free encyclopedia

Glare-Free Outdoor Viewable DynaVue Touchscreen Computer Display from General Dynamics Itronix: "A Nit is a measurement of light in candelas per meter squared (Cd/m2). For an LCD display, Nit is brightness out of the front panel of the display. Given like technologies and implementations (layering of anti-reflective and anti-glare coating, touchscreen, etc.),"