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 Viewsonic VSD231, 58.4 cm (23"), Full HD, NVIDIA Tegra, 2 GB, 8 GB, Android 4.3 Viewsonic VSD231. 产品类型: 多功能PC. 显示器尺寸（对角长）: 58.4 cm (23"), HD 类型: Full HD, 显示器分辨率: 1920 x 1080 像素, 触摸屏, 屏幕形状: 平面屏幕显示器, 面板类型: IPS. 处理器系列: NVIDIA Tegra, 处理器频率: 1.6 GHz. 内置存储器: 2 GB, 内存类型: DDR3-SDRAM. 总存储容量: 8 GB. 内置摄像头. 已预装操作系统: Android 4.3. 产品色彩: 黑色