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 NEC NP43, 2300 ANSI lumens, DLP, XGA (1024x768), 1600:1, 838.2 - 7620 mm (33 - 300"), 1.45 - 13.4 m NEC NP43. Projector brightness: 2300 ANSI lumens, Projection technology: DLP, Projector native resolution: XGA (1024x768). Light source type: Lamp, Service life of light source: 2500 h, Service life of light source (economic mode): 3500 h. Focus: Manual, Focal length range: 20.4 - 24.5 mm. Analog signal format system: NTSC, NTSC 4.43, PAL, SECAM. Serial interface type: RS-232