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 PRO8520HD, 5000 ANSI lumens, DLP, 1080p (1920x1080), 8000:1, 16:9, 762 - 7620 mm (30 - 300") Viewsonic PRO8520HD. Projector brightness: 5000 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 3000 h. Zoom ratio: 1.5:1, Throw ratio: 1.41 - 2.12:1. 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, 576i, 576p, 720p. Serial interface type: RS-232 https://www.techradar.com/reviews/audio-visual/projectors/viewsonic-pro8520hd-1245317/review About 5,000 lumens is a lot for any projector, but on the Pro8520HD it's especially illuminating. Forget any attempt to watch in a blackout; switch-on this DLP beamer and the entire room lights-up, thankfully with Full HD images.However, there's more to t... Very bright, Full HD, USB Display, Two HDMI slots, Peak whites Very loud, Optional WiFi dongle, Single USB slot, Motion blur, Over, saturated colours Eye-searing brightness and sharp, crisp data projections in daylight are what the Pro8520HD is all about, and it does it all in relative style. Add some excellent built-in stereo speakers and here's a great all-rounder that even boasts Full HD detail, to...