This is an ultra-small projector (2.5x 5.8x 5.7 inches) introduced by Samsung. It will fit into the palm of your hand. It is lightweight also at 2 lbs. Just read on to know the other wonderful features of P400 projector. The LED lamp of the projector can last up to 20,000 hours. There is no mercury used in the lamp. Because of the LED light source, the lamp has low power consumption and doesn’t get over heated....