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 PRO8600, 6000 ANSI lumens, DLP, XGA (1024x768), 15000:1, 4:3, 762 - 7620 mm (30 - 300") Viewsonic PRO8600. Projector brightness: 6000 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 3000 h. Focus: Manual, Zoom ratio: 1.5:1. Analog signal format system: NTSC M, PAL 60, PAL D, PAL DK, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B, SECAM B/G, SECAM D,.... Serial interface type: RS-232 https://www.techradar.com/reviews/audio-visual/projectors/viewsonic-pro8600-1245513/review This is one bright beamer. Capable of pumping out 6,000 lumens for the paltry sum of around £1,500 ($2520/AUS$2719), ViewSonic has come up with something genuinely exciting.Add an ability to simultaneously display the desktops of four computer screens and... Very bright, Four, way laptop hook, up, BrilliantColor, Laser pointer in remote Loudness, Optional WiFi dongle, Poor USB file support, XGA resolution, Single HDMI slot Bright and breezy, the searing pictures from the Pro8600 are accompanied by considerable fan noise that reaches 65 decibels, though a useful ECO mode quietens things down nicely. The lack of built-in WiFi will annoy some, as will the presence of a soft-l...