Features: Business Presentation, School Education, HD Home Theater A Professional Education,Multimedia &Home Theater Projector,True Brightness Levels Of 2800 Lumins And A 2500:1 Contrast Ratio; Add In DLP® And Brilliantcolor™ Technologies, This model is Able To Deliver Sharp, Vibrant Pictures And High Definition Video Image; 1.DLP technology Type, by Texas Instruments latest chip 2.Native Resolution XGA(1024*768) ,A Resolution And Able To Display Up To WUXGA (1920 x 1200) 3.High-Efficiency Lamps That Last Up To 4000 Hours (In Economy Mode) 4.DLP® and BrilliantColor™ technologies by Texas Instruments 5.Keypad lockfeature to avoid accidental change to the setting 6.Rapid on/off feature, Enhanced color and display adjustments 7.Very small and portable, only 5.7 lbs (2.6 kg) 8.Applies To School Education, Home Cinema, large Screen Display,Bar, Church…,Is Professional Projector Detailed Parameters: Brightness:3000 Lumins (eco:2800lumins) Native Resolution:XGA (1024 x 768) Max. Resolution:UXGA (1600 x 1200) Contrast Ratio:2500:1 (Full On/Off) Lamp Life and Type: ≈3000/4000 Hours (Standard/ECO Mode), OSRAM 180W Lamp Part #:E20.6 Lamp Display Type:Single 0.55” DLP® Technology by Texas Instruments Image Size (Diagonal):28" to 320" Projection Distance:0.8 to 12.8m Lens/Zoom Ratio:F=1:1.2X Zoom Lens, Digital zoom/ Manual Zoom/Focus Aspect Ratio:4:3 Native, 16:9 Compatible Offset:114% Keystone Correction: ±40° Vertical Horizontal Scan Rate:15, 31 to 90 KHz Vertical Scan Rate:50 to 85 Hz Speaker:2 Watt Mono Remote Control:Card-Type IR Remote Projection Method:Table Top or Ceiling Mount (Front or Rear) Uniformity:85% Computer Compatibility:WUXGA,WXGA+,WXGA,UXGA,SXGA+, SXGA, XGA, SVGA, VGA Resized; VESA Standards; PC and Macintosh Compatible Video Compatibility:NTSC (M, 3.58/4.43 MHz), PAL (B, D, G, H, I, M, N), SECAM (B, D, G, K, K1, L), HDTV (720p, 1080i,1080P), EDTV (480i/p, 576i/p) I/O Connection Ports:VGA-In*2, VGA Out*1, S-Video*1, Composite Video*1, Mini-Jack Audio-In*1, Audio Out*1, USB*1 (Service) Security:Kensington® Lock Port Weight:N.W: 5.7 lbs (2.6 kg) / G.W: 7.71 lbs (3.5kg) Dimensions (W x H x D):27*20*10 cm (Projector Size) ; 37*20*30 cm (Packing Size) Noise Level:32dB/28dB (Standard/ECO Mode)