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 Pro9520WL, 5200 ANSI lumens, DLP, WXGA (1280x800), 16:10, 525.8 - 8933.2 mm (20.7 - 351.7"), 1 - 17 m Viewsonic Pro9520WL. Projector brightness: 5200 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 1500 h, Service life of light source (economic mode): 3500 h. Focus: Manual, Zoom type: Manual, Optical zoom: 1.7x. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 720 x 400, 800 x 600 (SVGA), 832 x 642, 1024 x 768 (XGA), 1152 x 864 (XGA+), 1152..., Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080i, 1080p. Serial interface type: RS-232, HDMI connector type: Full-size