Features 800 x 480 native resolution, support 1080P HD input the scale of screen is 4:3 or 16:9, delivers great image quality.● High output brightness can be up to 800 lumens, 3 times brighter than competitive models.● Picture switch from 16:9 and 4:3 to meet your different demands.● Manual focus adjusting get picture from 34 to 130 inches, and the distance of projection is from 1.07 to 3.8 meters.● Comes with keystone correction function to get wonderful picture and clarity, easy image adjustments.● Increase multiple ports, including AV, HDMI, SD card, earphone, USB, directly playing SD card and USB disk files. ● LED lamp, works for over 20000 hours, never need to replace.