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 BenQ MX880UST, 2500 ANSI流明, DLP, XGA (1024x768), 3000:1, 1524 - 7620 mm (60 - 300"), 10.73 亿色彩显示 BenQ MX880UST. 投影仪亮度: 2500 ANSI流明, 投影技术: DLP, 投影仪最佳分辨率: XGA (1024x768). 光源类型: 灯泡, 光源使用寿命: 3500 小时, 光源使用寿命（经济模式）: 5000 小时. 模拟信号系统: NTSC, PAL, SECAM. 串口类型: RS-232. 噪音水平: 33 dB, 噪音水平（节能模式）: 27 dB