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. प्रोजेक्टर ब्राईटनेस: 5000 ANSI lumens, प्रक्षेपण तंत्रज्ञान: DLP, प्रोजेक्टर नेटीव्ह रीझोल्युशन: 1080p (1920x1080). प्रकाश स्रोताचा प्रकार: लॅम्प, प्रकाश स्रोताचा सेवाकाल: 2500 h, प्रकाश स्रोताचा सेवाकाल (किफायती मोड): 3000 h. झूम गुणोत्तर: 1.5:1, थ्रो गुणोत्तर: 1.41 - 2.12:1. अॅनालॉग सिग्नल फॉरमॅट प्रणाली: 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..., समर्थित व्हिडिओ मोड: 1080i, 1080p, 480i, 480p, 576i, 576p, 720p. सिरीयल इंटरफेस प्रकार: RS-232