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 센티미터 (55"), 350 칸텔라/제곱센티미터, 3840 x 2160 픽셀, 1200:1, 8 밀리초, 멀티터치 Viewsonic IFP5550-E1. 대각 디스플레이: 139.7 센티미터 (55"), 디스플레이 밝기: 350 칸텔라/제곱센티미터, 디스플레이 해상도: 3840 x 2160 픽셀. 제공된 작동 시스템: Android, 프로세서 주파수: 1.2 기가헤르츠. 서브우퍼 RMS 출력: 15 와트. 이더넷 랜 데이타 전송률: 10,100,1000 베가비트/초. HDMI 버전: 1.4/2.0