Lamp Modes NormalEcoSmart EcoSmart Eco Lamp Care for up to 45006000650010000 hours respectively PC 3D-Ready IO Computer D-sub 15 pin 2Monitor out D-sub 15pin x 1Composite Video in RCAx 1S-Video in Mini DIN 4pinx 1USB Type mini Bx1RS232 DB-9pinx 1IR Receiver 1 Picture Modes DynamicPresentationsergeCinemaUser 1User 2 Aspect Ratio Native 43 5 aspect ratio selectable Throw Ratio 186-204 53at2m