The Think Vision L2251x wide is Lenovos greenest & most ergonomic monitor ever & the worlds first TCO certified edge monitor at the cutting edge of environmental responsibility & usability. Pioneering the use of the latest recycling technologies, 30% of the total weight of all plastics in the product consists of post-consumer content plastic resins. The product also has 92% recycled plastics in packaging materials, a protective bag that is reusable, in addition to mercury-free, arsenic-free glass & low halogen. It is 33% more energy efficient than conventional monitors (29.7% more efficient than Energy Star 5.0 standard), has Ambient Light Sensor & Proximity Sensor that further conserves energy, & has an integrated webcam that helps boosts productivity saving traveling time & expense. The L2251x wide is a perfect choice for environmentally-conscious users seeking cutting edge productivity boost. The incorporated Think Vantage design enhances usability & makes the monitor easy to use. As defined by EPEAT verification criteria for calculation of post-consumer recycled content. Many plastic parts used in this product consists of (by weight) 65% post-consumer content from sources like home appliances, computers, vehicles, & office equipment & 20% post-industrial content. Features Lenovo Think Vision L2251X Widescreen Monitor Kensington Lock slot for security Detachable base for mounting on wall or arm (sold separately) Direct access button for automatic image setup & brightness allows quick & easy monitor setup Stand with tilt, swivel, & height adjustments for optimum viewing comfort 22-inch (559 mm) viewable image size Native resolution of 1680 x 1050 (WSXGA+) Light Booster technology: Reduces mercury content by 50% & power consumption by up to 33% over conventional monitors of the same size & resolution Analog & digital connectors allow attachment flexibility Wide viewing angles enlarge the workspace for comfortable viewing Dual input connectors allow attachment to two systems simultaneously Meets 100 mm VESA standard for mounting Supports High Definition Content Protection (HDCP)