... and cheap lamp. Enjoy it.Connected with DVD player, TV, computer ( laptop, PC ), game console (Wii, PS2, PS3, POBOX, XBOX, XBOX360) ... Keystone correction, the picture aspect ratio can switch from 16:9 to 4:3.(3) OSD screen display function ... (PeakValue)2500LumensContrast ratio800 : 1Lamp70WColors1.67 millionAspect Ratio4:3 or 16:9Optical LensManual focusProjection Distance1.76 – 5.51 metersImage Size50 ...