ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR DELL E2211H, 54.6 cm (21.5"), 1920 x 1080 ピクセル, フルHD, 5 ms, ブラック DELL E2211H. ディスプレイ 対角表示領域: 54.6 cm (21.5"), ディスプレイ解像度: 1920 x 1080 ピクセル, HDタイプ: フルHD, レスポンスタイム: 5 ms, アスペクト比（初期設定時）: 16:9, 視野角水平: 170°, 視野角垂直: 160°. プロダクトカラー: ブラック