Acer X1328. Projector brightness: 4500 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280×800). Light source type: Lamp, Lamp power: 220 W, Lamps quantity: 1 lamp(s). Focal length range: 21.85 – 24 mm, Digital zoom: 2x, Optical zoom: 1.1x. Analog signal format system: NTSC, PAL, SECAM, Supported graphics resolutions: 1920 x 1200 (WUXGA). Projection modes: Ceiling, Front, Rear