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 ANSI lumens, DLP, SVGA (800x600), 1800:1, 4:3, 889 - 3810 mm (35 - 150") Viewsonic PJD2121. روشنایی پروژکتور: 400 ANSI lumens, تکنولوژی پروجکشن: DLP, Projector native resolution: SVGA (800x600). Light source type: Lamp, Service life of light source: 2000 h, Lamp power: 50 W. فوکوس: دستی, نسبت انداختن: 1:1. سیستم فرمت سیگنال آنالوگ: NTSC, پشتیبانی از رزلوشن های گرافیکی: 1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA), پشتیبانی حالت های ویدئو: 1080i, 480i, 480p, 576i, 576p, 720p. نوع پخش کننده دیسک نوری: شامل نمی شود