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 lumen ANSI, DLP, SVGA (800x600), 1800:1, 4:3, 889 - 3810 mm (35 - 150") Viewsonic PJD2121. Kecerahan projektor: 400 lumen ANSI, Teknologi unjuran: DLP, Resolusi asal unjuran: SVGA (800x600). Jenis sumber cahaya: Lampu, Hayat perkhidmatan sumber cahaya: 2000 h, Kuasa lampu: 50 W. Fokus: Manual, Nisbah pancaran: 1:1. Sistem format isyarat analog: NTSC, Resolusi grafik yang disokong: 1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA), Mod video yang disokong: 1080i, 480i, 480p, 576i, 576p, 720p. Jenis pemain cakera optik: Tidak termasuk