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 PJD6345, 3500 ANSI lumens, DLP, XGA (1024x768), 15000:1, 4:3, 28 - 300" Viewsonic PJD6345. Projector brightness: 3500 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 3500 h, Service life of light source (economic mode): 5000 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: USB Type-A, USB Type-B https://www.pcmag.com/article2/0,2817,2453587,00.asp The ViewSonic PJD6345 ($759.99 direct) is a well-rounded and highly capable business projector equally at home in a conference room, a classroom, or in any small to medium-sized venue in which you need to quickly set up and make a presentation. Its image ... Good data image quality. Bright. Lightweight. Loud sound system. Wide range of connectivity choices. Networkable. 3D ready. 1.6x zoom. Relatively pronounced rainbow effect in video. Lacks carrying case. Data image quality suffers somewhat over a VGA connection The ViewSonic PJD6345 is a well-rounded, portable, and highly capable projector for a business or classroom....