TRONFY TP80 800x480 LCD LED Portable Mini Projector Movie Video Game Home Cinema Theater Support VGA USB SD AV with HDMI Cable- Black Updated model. Native Resolution: 800x480; Brightness:1200 Lumens, Contrast: 800:1; Aspect Ratio: 4:3/16:9, perfect performance in dark environment! Low power consumption down to 30W, LED lamp with life up to 20000 hours, with more vivid color and abundant details. Not recommended for PPT or business presentation, ideal for home theater movies and video game use. Image size:38-130 Inches, Projection distance:1.2m-3.8m. Optical keystone correction function, which can adjust keystone distortion of images. We suggest best Projection Distance: 1.5-2M; best Projection Size: 49 to 80 inches, which can make you obtain best User Experience. Our projector is not the SHORT THROW PROJECTOR (IF YOU LOOKING FOR Short throw projector please go for Google it FIRST), it only can adjust the size of image by change the distance. Built-in high quality stereo sound, no external audio required to watch movies; ideal for home theater movies and video game use.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. Please turn off the dolby voice. or you might not get sound from videos. Especially when you watch netflix videos. Multi-Function Input To Meet All Kinds Of Daily Occasions: AV\VGA\USB\SD\HDMI\TV, 3.5mm audio input; Please choose the right input signal such as HDMI OR USB in projector when connect any devices. the fan will work to cool the machine, this kind of "Noise" is not Quality Issue, just take it easy.(Recommend you have a break after 3-4 hours using to avoid overheating.) Protable design, suitable for travel camping, outdoor party, it doesn't take up too much space. Nice festival presents for kids, gift exchange among friends. Enjoy big movies or interactive games after family dinner or BBQ Party. Display sweet memory pictures, videos and classic books to family members when everyone is here or you miss them much. But it's NOT suitable for teaching, meeting or business presentations.