The 21.5" Acer S221HL monitor showcases an ultra slim, space-conscious design, with special attention paid to eco-friendliness via energy-saving white LED backlighting, ENERGY STAR® compliance, and more.

Ultra-thin, space-saving design
The ultra-thin, glossy frame features a depth of only 13 mm, radiating a sense of simple modernism and offering flexible, space-saving placement options. The elegance extends all around, with no visible vents in front or back. A transparent power button with blue-lit icon provides a subtle but distinctive detail.

Earth-friendly technologies
The Acer S221HQL monitor uses mercury-free materials and white LED technology for up to 68% lower power consumption, giving you big energy savings while helping preserve nature's resources. By meeting ENERGY STAR® 5.0 requirements, the monitor helps protect the environment for future generations.

Impressive performance
Full HD resolution presents amazingly vibrant and exciting games and cinematic entertainment. The HDMIâ„¢ and DVI interfaces enable you to connect to the latest high-definition devices for the sharpest video ever. The Acer S221HQL monitor also boasts an astounding 12,000,000:1 contrast ratio to deliver the highest level of clarity and detail. This breakthrough is made possible by Acer Adaptive Contrast Management, which produces marvelous picture quality.