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 Epson EB-W12, 2800 ANSI lumens, LCD, WXGA (1280x800), 3000:1, 33 - 318", 35.4 - 354.3" (0.9 - 9 m) Epson EB-W12. Projector brightness: 2800 ANSI lumens, Projection technology: LCD, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 5000 h. Focus: Manual, Optical zoom: 1.2x. Analog signal format system: NTSC, PAL, Supported graphics resolutions: 1280 x 720 (HD 720), 1280 x 768 (WXGA), 1280 x 800 (WXGA). USB connector type: USB Type-A, USB Type-B