21.5" S2240T

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 Arm
1
to enjoy even greater viewing flexibility.
Integrated connectivity: 
HDMI, 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, DVI
2
 or VGA
2
 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.