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 DELL M900HD, 900 ANSI lumens, DLP, WXGA (1280x800), 700:1, 16:10, 30 - 80" DELL M900HD. Projector brightness: 900 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: LED, Service life of light source: 3000 h, Service life of light source (economic mode): 30000 h. Zoom ratio: Fixed, Throw ratio: 1.4:1, Offset: 105%. Supported video modes: 480i, 480p, 576i, 576p, 720p, 1080p. Wi-Fi standards: 802.11a, 802.11b, 802.11g https://www.techworld.com/review/projectors/dell-m900hd-review-incredibly-portable-mobile-projector-3465140/ Wonderfully petite and finely polished, this mini projector will slip easily on to any boardroom desk, and can be fired up and ready within seconds. The Dell M900HD's menu is fairly straightforward, and isn't bulging with confusing settings, so the setup ... The Dell M900HD is incredibly portable, and very convenient if you have a suitably equipped laptop, phone or tablet. It does get pretty hot, and a few more ANSI lumens would increase its versatility. Nonetheless, it compares very favourably to other simil... https://www.projectorcentral.com/dell_m900hd_portable_projector_review.htm The Dell M900HD is a powerful, compact projector that packs a variety of presenting features into a tiny package. Its 30,000-hour LED light engine removes the need for lamp replacements, thereby reducing the number of things that can go wrong while you... https://www.pcmag.com/review/315138/dell-m900hd The Dell M900HD$749.00 at Dell is slightly larger—and notably brighter—than most of the LED-based mini projectors we've seen in recent years. It provides solid image quality, and the ability to run presentations via WiFi, from a USB thumb drive, or an SD ... Small, lightweight, and easily portable. Brighter than most LED projectors. WiFi connectivity. USB direct. Can run presentations from USB thumb drives and SD cards. Very long lamp life. Shows scaling artifacts at its claimed native resolution. Rainbow effect in video. Soft audio The Dell M900HD is a small, featherweight projector that's brighter than most of the LED-based mini-projectors we've seen in recent years....