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. Luminosité du projecteur: 400 ANSI lumens, Technologie de projection: DLP, Résolution native du projecteur: SVGA (800x600). Light source type: Lampe, Service life of light source: 2000 h, Lamp power: 50 W. Mise au point: Manuel, Ratio de projection: 1:1. Système de format du signal analogique: NTSC, Résolutions graphiques prises en charge: 1280 x 1024 (SXGA), 640 x 480 (VGA), 800 x 600 (SVGA), Modes vidéo pris en charge: 1080i, 480i, 480p, 576i, 576p, 720p. Type de lecteur de disque optique: Non inclus