Acer S1286H. Projector brightness 3500 ANSI lumens. Projection technology DLP. Projector native resolution XGA (1024x768). Service life of lamp 5000 h. Bulb power 220 W. Lamp type OSRAM. Focus Manual. Fixed focal length 7.2 mm. Aperture range (F-F) 2.7 - 2.7. Analog signal format system NTSC.PAL.SECAM. Supported graphics resolutions 1024 x 768 (XGA).1920 x 1200 (WUXGA). Noise level 32 dB. Noise level (economic mode) 24 dB. Projection modes Ceiling.Front.Rear