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 PJD5231, 3000 ANSI lumens, DLP, XGA (1024x768), 4:3, 762 - 7620 mm (30 - 300"), 16:9 Viewsonic PJD5231. Luminosidade do projector: 3000 ANSI lumens, Tecnologia da projecção: DLP, Resolução nativa do projetor: XGA (1024x768). Tipo de fonte de luz: Lâmpada, Vida útil da fonte de luz: 3000 h, Vida útil da fonte de luz (modo económico): 4000 h. Foco: Manual. Formato de sistema de sinal analógico: NTSC M, PAL, SECAM. Tipo de interface em série: RS-232