Viewsonic PJ1158 Multimedia projector. Projector brightness: 4000 ANSI lumens, Projection technology: LCD, Native resolution: XGA (1024x768). Service life of lamp: 2000 h, Lamp power: 285 W, Lamp type: UHB. Vertical scan range: 56 - 120 Hz. Analog signal format system: SDTV/EDTV (480i/p, 576i/p), HDTV (720p, 1080i). Display: TFT, Display resolution: 1024 x 768 pixels, Display diagonal: 20.3 mm (0.8 ")