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 Lenovo Tab E7 , 17.8 cm (7"), 1024 x 600 pixels, 8 GB, 1 GB, Android 8.1 Oreo, Black Lenovo Tab E7 . Display diagonal: 17.8 cm (7"), Display resolution: 1024 x 600 pixels. Internal storage capacity: 8 GB. Processor frequency: 1.3 GHz, Processor family: Mediatek, Processor model: MT8167A. Internal memory: 1 GB. Rear camera resolution (numeric): 2 MP, Rear camera type: Single camera, Front camera resolution (numeric): 0.3 MP. Top Wi-Fi standard: Wi-Fi 4 (802.11n). Card reader integrated. Weight: 271.7 g. Operating system installed: Android 8.1 Oreo. Product colour: Black