Bestcrew&reg; New UC28 PRO HDMI Mini HD Home LED Projector 60" Home Cinema Theater, PC Laptop VGA Input USB Black The professiona appearance design for ventilation has largely improved the stability and life time for the projector The Led lamp can works for over 20 thousand hours, and can provide beautiful colors The projector is small and light, easy to carry with Easy changing in 16:9 and 4:3 aspect ratio Multi-function interface:HDMI ,AV,VGA,SD,USB