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 PJD6543W, 3000 ANSI lumens, DLP, WXGA (1280x800), 15000:1, 16:10, 28 - 300" Viewsonic PJD6543W. Projector brightness: 3000 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 6000 h. Focus: Manual, Optical zoom: 1.1x. Analog signal format system: NTSC M, PAL 60, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B, SECAM D, SECAM G, SECAM..., Supported graphics resolutions: 1600 x 1200 (UXGA), Supported video modes: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. Serial interface type: RS-232, USB connector type: Mini-USB B https://www.pcmag.com/review/311637/viewsonic-pjd6543w The ViewSonic PJD6543w%displayPrice% at %seller% provides an appealing combination of basic features: WXGA resolution, easy portability; good brightness for its weight; a good set of connection choices including LAN connectivity, and 3D readiness among th... Portable. Good range of connectivity choices. Networkable. Good lamp life. 3D ready. Rainbow effect in video. Lacks carrying case The ViewSonic PJD6543w provides solid data image quality and a good range of connectivity choices for a WXGA data projector....