none◆ Resolution:640 *RGB * 480(800 *RGB * 600) support 1024*768 ◆ Flow clear: 1000/1200 tallest flow clear ◆ Light source:The 175 W appropriation casts shadow the light ◆ Be like the number:3,300,000 ◆ Lamp bulb life span:Average high in 6000 hours ◆ Contrast degree:350:1 ◆ Weight:7KG ◆The size of the packing box:490*360*205mm ◆ Even degree:90% ◆ Shine on the degree:165 LXs(53 inches) ◆ The importation carries the son:TV, VIDEO, PC, S- video ◆ Loudspeaker:2*1.5W ◆ Cast shadow the size:38-150 inches ◆ Other function:Red control from a distance outside, automatic power failure protection, spread the heat to report to the police unusually, the trapezoid correct, postpones spread hot etc. function