C means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. C Lenovo ThinkVision S22-4e, 54,6 cm (21.5"), 1920 x 1080 piksel, Full HD, LED, 6 ms, Hitam Lenovo ThinkVision S22-4e. Pepenjuru paparan: 54,6 cm (21.5"), Resolusi paparan: 1920 x 1080 piksel, Jenis HD: Full HD, Teknologi paparan: LED, Masa respons: 6 ms, Nisbah aspek asal: 16:9, Sudut pandangan, mendatar: 178°, Sudut pandangan, menegak: 178°. VESA mounting. Product color: Hitam