Epson Epson EB-X92. Native resolution: 1024 x 768, Contrast ratio (typical): 2,000 : 1, Zoom capability: Digital, Factor: 1.48, 1.77. Lamp type: ETORL, 175 W, 4,000 h durability, 5,000 h durability (economy mode). Number of built-in speakers: 1 W. Interface: Type B interface, USB 2.0 Type B