Exceptional usability Designed to encourage collaboration and give productivity a boost, the Dell 21.5" touch monitor offers a high level of user flexibility for work, school or entertainment. - Ergonomic stand: Slide your display toward you smoothly and naturally to touch and type while tilting as much as 60°. Good for classrooms, home offices, clinics and other professional applications. - VESA compatibility: You can also choose to mount your monitor on the wall or attach it to the Dell Single Monitor Arm1 to enjoy even greater viewing flexibility. - Integrated connectivity: HDMI, Digital Visual Interface (DVI) and VGA ports enable direct connections to your desktop, laptop, camera, phone and other electronic devices to enhance almost any view. - Image projection: Enabling touch is easy! Simply connect the USB cable from your PC to the monitor's USB upstream port, and use either a HDMI, DVI2 or VGA2 cable to project images onscreen. Natural touch and superb image clarity Tap, slide, swipe, turn, pinch and stretch with your fingers. The multi-touch capability is simple and intuitive when used with Windows 8, recognizing up to 10 touch points at once. Offering excellent image quality, the Dell 21.5" touch monitor features: - Great screen clarity: 16:9 Full HD with 1920 x 1080 (max) resolution; 3,000:1 (typical) high contrast ratio; Mega Dynamic contrast ratio estimated at 8 million:1 (max); wide 178°/178° viewing angle for effective collaboration. - Edge-to-edge glass: Big, clean panel for a smooth touch experience plus Image Enhance designed to sharpen images, improve color hues and boost color contrast. - Dell Display Manager: Features Auto Mode, which offers a choice of preconfigured color settings to optimize the appearance of individual applications. Each application can have its own preset mode. Efficient design Conceived with a high priority on environmental efficiency, the Dell 21.5" touch monitor features low power consumption and environment-conscious materials. - 20W typical power consumption: Energy use is up to 28.57 percent lower than the previous-generation Dell touch monitor. - Power-saving features: Dynamic dimming lowers brightness of predominantly white screens. PowerNap, when enabled, dims the monitor when not in use. - High environmental standards: ENERGY STAR® qualified and EPEAT® Silver rated, the Dell 21.5" touch monitor also features arsenic-free glass and a mercury-free LED panel.