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 PRO8520WL, 5200 안시루멘, WXGA (1280x800), 5000:1, 762 - 7620 밀리미터 (30 - 300"), 1.12 - 1.8 미터, 10억 7,300만 색 Viewsonic PRO8520WL. 프로젝션 밝기: 5200 안시루멘, 프로젝터 기본 해상도: WXGA (1280x800), 고정 명암비(평균): 5000:1. 광원 수명: 2000 시, 광원 서비스 수명(절약 모드): 2500 시. 디지털 줌: 2x, 광학 줌: 1.6x, 오프셋: 115 퍼센트. 직렬 인터페이스 유형: RS-232. 소음도: 33 데시벨, 인증: Mexico Energy test/Registration, EAC, TUVS Mark(Argentina), India BIS, FCC,CE EMC,CB,,CCC, ROHS,...