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 Vibrant detail from practically any position with consistent color and image clarity maintained across an ultra-wide 178° horizontal and vertical viewing angles. 178 178 Touch screen Y HDMI 1 HP LD4745tm, 119.3 cm (47"), 1920 x 1080 像素, LED, 6 毫秒, 黑色 HP LD4745tm. 顯示器尺寸(對角長): 119.3 cm (47"), 顯示器解析度: 1920 x 1080 像素, 顯示器技術: LED, 回應時間: 6 毫秒, 水平可視角: 178°, 垂直可視角: 178°. 產品色彩: 黑色