Viewsonic Ultra-Portable XGA DLP Projector PJ458D. Projector brightness: 2000 ANSI lumens, Aspect ratio: 4:3, 16:9, Projection technology: DLP. Service life of lamp: 3000 h, Lamp power: 200 W. Focus: Manual, Throw ratio: 1.57 - 1.89:1, Digital zoom: 1.2 x. Vertical scan range: 50 - 85 Hz, Horizontal scan range: 31 - 79 kHz. Display resolution: 1280 x 1024 pixels, Display diagonal: 14 mm (0.55 ")