Acer X1323WHP. Projector brightness: 4000 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 5000 h, Lamp type: UHP. Focal length range: 22 - 24.1 mm, Aperture range (F-F): 2.56 - 2.68. RMS rated power: 3 W. Product type: Ceiling-mounted projector, Product colour: Black, Placement: Ceiling