With features like Smart Image, Smart Control & 0.1 W soft-off mode the energy efficient Philips 221S3 increases your productivity. White LEDs are solid state devices which light up to full, consistent brightness faster saving startup time. LEDs are free from mercury content which allows for eco-friendly recycling & disposal process. LEDs 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.