SPECIFICATIONS : XGA 1024 X 768, 3200 ANSI LUMENS, DLP TECHNOLOGY, 5000 : 1 ( FULL ON/ FULL OFF) , ASPECT RATIO 4 : 3 NATIVE, 16 : 9 SELECTABLE, NTSC/ PAL/ SECAM, 31-99 KHZ, 23-120 HZ, F= 2.56-2.8, f= 21 - 23.1 mm, 2 WATTS SPEAKER, L/ R : RCA X 2, 230 WATT, 3500/ 5000 HOURS, 2.65 KG