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 PJD5483s, 3000 ANSI lumens, LCD, XGA (1024x768), 15000:1, 4:3, 1016 - 7620 mm (40 - 300") Viewsonic PJD5483s. Projector brightness: 3000 ANSI lumens, Projection technology: LCD, Projector native resolution: XGA (1024x768). Service life of light source: 3500 h, Service life of light source (economic mode): 7000 h, Lamp type: OSRAM. Throw ratio: 0.62:1. Analog signal format system: NTSC M, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B, SECAM D, SECAM G, SECAM K, SECAM..., Supported video modes: 1080i, 1080p, 480i, 480p, 540p, 576i, 720p. Serial interface type: RS-232