... Inputs! 3*HDMI, 2*USB reader (Support Hard Disk), VGA (PC), Composite AV, S-video, YPBPR, ... Projector Differs from Others:* Lamp: LED Lamp (means longer lamp life) -Others: LCD Lamp (shorter lamp life)* Lamp Life: 50,000 hours ... 1.1-1.3), 2*USB (Support Hard Disk), VGA (PC), YPbPr, Composite A/V, S ... (Headphone)SpeakerDual Channel (Stereo)2 x 3WLED Lamp Life LED 150W; 50,000 HoursDisplayable Colors16.8 ...