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 Acer P1166P, 2700 ANSI lumens, DLP, SVGA (800x600), 26 - 300", 39.4 - 385.8" (1 - 9.8 m), 134 million colors Acer P1166P. Projector brightness: 2700 ANSI lumens, Projection technology: DLP, Projector native resolution: SVGA (800x600). Light source type: Lamp, Service life of light source: 3000 h, Service life of light source (economic mode): 4000 h. Focal length range: 18.17 - 21.81 mm, Digital zoom: 2x. Serial interface type: RS-232. RMS rated power: 2 W