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 BenQ MH534, 3300 ANSI lumens, DLP, 1080p (1920x1080), 15000:1, 16:9, 60 - 300" BenQ MH534. Projector brightness: 3300 ANSI lumens, Projection technology: DLP, Projector native resolution: 1080p (1920x1080). Light source type: Lamp, Service life of light source: 4500 h, Service life of light source (economic mode): 6000 h. Focal length range: 19 - 22.65 mm, Aperture range (F-F): 2.42 - 2.62, Zoom ratio: 1.2:1. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 640 x 480 (VGA), 1024 x 768 (XGA), 1280 x 800 (WXGA), 1920 x 1080 (HD 1080). Serial interface type: RS-232