SMOOTH MOTION 100Hz refresh rate delivers fluid visuals for everyday tasks and casual gaming. VIBRANT COLORS 21.5' VA panel with 250nit brightness and 72% NTSC color gamut ensures clear, rich images. EYE COMFORT Antiglare coating and Dell Eye Comfort Technology reduce strain during long work sessions. SECURE SETUP Integrated cablelock slot and security lock keep your monitor safe from tampering. VERSATILE CONNECTIVITY HDMI 1.4 and VGA ports provide flexible connection options for PCs and laptops. ENERGY EFFICIENT ENERGY STAR certified design lowers power consumption while maintaining performance. ADJUSTABLE VIEWING Tiltadjustable stand lets you find the perfect angle for ergonomic comfort.