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 PJD2121, 400 안시루멘, DLP, SVGA (800x600), 1800:1, 4:3, 889 - 3810 밀리미터 (35 - 150") Viewsonic PJD2121. 프로젝션 밝기: 400 안시루멘, 프로젝션 기술: DLP, 프로젝터 기본 해상도: SVGA (800x600). 광원 유형: 램프, 광원 수명: 2000 시, 램프 전력: 50 와트. 초점: 메뉴얼, 사정거리 비율: 1:1. 아날로그 신호 형식 시스템: NTSC, 지원되는 해상도: 1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA), 지원되는 비디오모드: 1080i, 480i, 480p, 576i, 576p, 720p. DVD 플레이어/레코더 포함: 비포함