Dell Ultra slim S2230MX 21.5-Inch Screen LED-lit Monitor (Discontinued by Manufacturer) Ultra-slim panel: Add design flair to virtually any space with Dell's slimmest LED monitor ever. Full high-definition viewing: Enjoy an incredible multimedia experience with Full HD (1920x1080 max.) resolution. Environmentally conscious design: Rest easy knowing your Dell S2230MX monitor is designed to be safe for your home and the environment with arsenic-free and mercury-free LED panels.