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 IFP5550-E1, 139.7 cm (55"), 350 cd/m², 3840 x 2160 ピクセル, 1200:1, 8 ms, マルチタッチ Viewsonic IFP5550-E1. ディスプレイ 対角表示領域: 139.7 cm (55"), ディスプレイ明るさ: 350 cd/m², ディスプレイ解像度: 3840 x 2160 ピクセル. インストール済みOS: Android, プロセッサ ベース動作周波数: 1.2 GHz. サブウーファーRMSパワー: 15 W. イーサネットLANデータ転送速度: 10,100,1000 Mbit/秒. HDMIバージョン: 1.4/2.0