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 (mga) ANSI lumen, DLP, SVGA (800x600), 1800:1, 4:3, 889 - 3810 milimetro (35 - 150") Viewsonic PJD2121. Liwanag ng projector: 400 (mga) ANSI lumen, Teknolohiya ng projection: DLP, Native na resolusyon ng projector: SVGA (800x600). Uri ng pinagmumulan ng ilaw: lampara, Buhay ng serbisyo ng pinagmumulan ng liwanag: 2000 h, Lakas ng lampara: 50 W. Focus: Manwal, Throw ratio: 1:1. Sistema ng format ng analog signal: NTSC, Mga suportadong resolusyon ng graphics: 1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA), Mga suportadong video mode: 1080i, 480i, 480p, 576i, 576p, 720p. Uri ng optical disc player: Hindi kasama