... ....How This Projector Differs from Others:* Lamp: LED Lamp (means longer lamp life) -Others: LCD Lamp (shorter lamp life)* Lamp Life: 50,000 hours - MOST IMPORTANT ... .All in one projector! Can be used with TVset box , Sky, X-box, X-box 360, PS2, PS3, Wii, PC, Laptop ... -video Audio out (Headphone)SpeakerDual Channel (Stereo)2 x 3WLED Lamp Life LED 150W; 50,000 HoursDisplayable Colors16.8 million,24 ...