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 NEC P401W, 3300 ANSI lumens, 3LCD, WXGA (1280x800), 4000:1, 27.6 - 574.8" (0.7 - 14.6 m), 2680 ANSI lumens NEC P401W. Projector brightness: 3300 ANSI lumens, Projection technology: 3LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 6000 h. Focus: Manual, Focal length range: 17.4 - 29 mm, Aperture range (F-F): 1.7 - 2.2. Analog signal format system: NTSC 3.58, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM, Supported graphics resolutions: 1920 x 1200 (WUXGA). Serial interface type: RS-232, USB connector type: USB Type-A, USB Type-B https://www.pcmag.com/review/322826/nec-np-p401w With its 4,000-lumen rating, the NEC NP-P401W ($1,649) is of obvious interest to anyone looking for a WXGA (1,280-by-800) projector for a mid- to large-size conference room or classroom. Along with a bright image, it delivers excellent data-image quality,... Bright. Native WXGA resolution. 1.7x zoom lens. Vertical lens shift. Excellent dataimage quality. Watchable video. Good audio. No 3D capability The NEC NP-P401W projector delivers a bright enough image for a mid- to large-size room, excellent data-image quality, and setup conveniences that include a 1.7x zoom lens....