RoHS stands for Restriction of Hazardous Substances. RoHS, also known as Directive 2002/95/EC, originated in the European Union and restricts the use of specific hazardous materials found in electrical and electronic products (known as EEE). All applicable products in the EU market after July 1, 2006 must pass RoHS compliance. The substances banned under RoHS are lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). RoHS AOC E2050SWNK, 49.5 cm (19.5"), 1600 x 900 像素, WXGA+, LED, 5 毫秒, 黑色 AOC E2050SWNK. 显示器尺寸（对角长）: 49.5 cm (19.5"), 显示器分辨率: 1600 x 900 像素, HD 类型: WXGA+, 显示技术: LED, 显示面: 雾面亚光, 响应时间: 5 毫秒, 原机长宽比: 16:9, 视角，水平: 90°, 视角，垂直: 65°. 产品色彩: 黑色