Acer S1 Display is the latest LCD from the brand that features an Ultra Thin Display measuring just 13mm to 15mm. This LCD, is eco-friendly for it has no harmful halogen, a RoHS and are ENERGY STAR 5.0 compliant, and uses LED back lighting to provide 12 million :1 contrast ratio. Other features include a VGA port/DVI port with HDCP protection, and an HDMI connection (23″ models only) for Blu-ray and games consoles. in 20″, 21.5″ and 23″ sizes. ~$170.~$170.