With features like Ergo base, Stereo Audio, USB (Universal Serial Bus) port, 0.1watt Soft off mode, Smart Image & Smart Control, the energy efficient Philips 201B2 Business LED display enhances your productivity. White LED's are solid state devices which light up to full, consistent brightness faster saving startup time. LED's are free from mercury content which allows for eco-friendly recycling & disposal process. LED's allow for better dimming control of LCD backlight, resulting in super high contrast ratio. It also gives superior color reproduction thanks to consistent brightness across the screen.