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 Pro7827HD, 2200 lúmenes ANSI, DLP, 1080p (1920x1080), 762 - 7620 mm (30 - 300"), 22000:1, 3500 h Viewsonic Pro7827HD. Brillo de proyector: 2200 lúmenes ANSI, Tecnología de proyección: DLP, Resolución original del proyector: 1080p (1920x1080). Vida útil de la fuente de luz: 3500 h, Vida útil de la fuente de luz (modo económico): 6500 h. Zoom digital: 2x, Zoom óptico: 1.3x, Relación de alcance: 1.1 - 1.5:1. Tipo de serie de interfaz: RS-232. Tarjetas de memoria compatibles: SD