About this item Ambient Light Sensor: A built-in Ambient Light Sensor intelligently optimizes brightness and color temperature based on your surroundings A smoother visual experience: 120Hz refresh rate delivers less flicker, more seamless scrolling and smoother motion than 60Hz monitors Fit your work style: Tilt, swivel, pivot and adjust the height of your monitor to work your way... https://www.electronics70off.co.uk/products/Dell-U2724D-UltraSharp-27-Inch-QHD-%282560x1440%29-Monitor%2C-120Hz%2C-IPS-Black%2C-5ms%2C-98%25-DCI%252dP3%2C-2x-USB%252dC%2C-2x-DisplayPort%2C-HDMI%2C-3x-USB%2C-3-Year-Warranty%2C-Silver.html