5 Formats Input --- Support USB/SD/AV/HDMI/VGA you can play videos in whatever your PC laptop USB disk SD card cellphone TV box play station Xbox etc.</br>Brightness:support 800*480Pimage size 49-130 Inches native resolution 800 x 480 contrast: 800 : 1with optical keystone correctioneasy to focus the image by adjusting the Lens on the projector.</br>you also can watch your favorite programs with bigger screen via HDMI / VGA / USB / AV/SD Card/IR connect PC / laptop / DVD player to enjoy videos or moviesConnect play station PS3 PS4 or X-Box ONE via HDMI port to enjoy games on big screen.</br>Built in 2 speakers ( via the 3.5 mm headphone jack or via the 3 in 1 audio or video port ) the USB port is only for U-Disk / hard disk device connecting.NOTICE: Due to the copyright issue of Dolby this projector does not support Dolby's Audio decoding.</br>Portable design easy to take and travel. Notice:Mileagea UC46 is Not recommend for PPT or business presentation ideal for home theater movies and video games.</br></br>Product Description</br></br><b>home video projector?? perfect for family entertainment?? play video games?? watch movies</b><br> <br> <b>Tip:NOT FOR TEACHING