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 P506QL, 5000 ANSI lumens, DLP, UHD 4K (3840x2160), 500000:1, 16:9, 1270 - 7874 mm (50 - 310") NEC P506QL. Projector brightness: 5000 ANSI lumens, Projection technology: DLP, Projector native resolution: UHD 4K (3840x2160). Light source type: Laser, Service life of light source: 20000 h. Focus: Manual, Focal length range: 12.1 - 18.1 mm, Aperture range (F-F): 1.8 - 2.43. Analog signal format system: NTSC 3.58, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM, Supported graphics resolutions: 3840 x 2160. Serial interface type: RJ-45, RS-232 https://www.projectorreviews.com/nec/nec-p506ql-4k-laser-business-projector-review/ The NEC P506QL is a laser light engine equipped installation class DLP projector capable of displaying 4K resolution with a current street price of $4,299. Its laser/phosphor wheel light engine can deliver 5,000 ANSI lumens and has a rated life of 20,000... 4K Resolution delivers high readability of text and presentation graphics, sharp details and text, 5,000 ANSI lumens, Sealed optics and laser light source should reduce maintenance costs, Horizontal/Vertical lens shift increase installation flexibility,... Lacks certain advanced features found on more expensive “Installation Class” projectors, Since the remote control is not backlight, it can be challenging to operate in a dark room, No built-in wireless, No HDR support Highlights, Pros and ConsHIGHLIGHTSThe NEC P506QL is a midsize installation class 4K capable 5000-lumen projector with a laser/phosphor light source. Like other Sharp/NEC laser projectors, the P506QL uses a laser/phosphor wheel light engine rated for 20...