1.Lamp source : RGB Tricolor LED 2.I/O: HDMI,SD,A/V IN,USB,VGA,TV 3. ... Distance:0.6~3.1M NEW model mini projector 1.Lamp source : RGB Tricolor LED2.I/O: HDMI,SD,A/V IN ... : 20" ~100"Projection Distance:0.6~3.1MI/O Connectors I/O: HDMI,SD,A/V IN,USB,VGA,TVVideo / Audio ...