Acer Basic X138WHP. Projector brightness: 4000 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 6000 h, Service life of light source (economic mode): 10000 h. Focal length range (f-f): 21.85 - 24 mm, Aperture range (F-F): 21.85 - 24, Throw ratio: 1.54 to 1.72 (1524 mm @ 2000 mm). Analog signal format system: NTSC,PAL,SECAM, Supported graphics resolutions: 1280 x 800 (WXGA),1920 x 1200 (WUXGA). Projection modes: Ceiling,Front,Rear, Compatible operating systems: Mac PC, Windows PC
