HTP LED 86 2700 Lumens LED LCD Projector Home Cinema Theater Business Entertainment AV/VGA/HDMI/USB Input 1280x768 Ideal for home theater movies and video game use. Native Resolution:1280x768, Contrast:2000:1. Updated model, can provide crystal clear image in dark; Absolutely no pungent odor like those from bad material; Enjoy the show in a much healthier way; 30,000H non-irritant ABS environmental lower radialized mercury-free LED light. Build in HiFi stereo speakers, present you more original and clearer sound; Multi-function input HDMI1/HDMI2/USB/AV/YPBPR/VGA/TV. The USB port is only for U-Disk/Hard Disk Device connecting, as for connecting iPhone/iPad/Android Smartphone. Image size:60-150 Inches, Projection distance:1.5m-4.5m. 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. We suggest best Projection Distance:2-3.5M; best Projection Size:100-150 inches, which can make you obtain best User Experience; You can watch your favorite programs with bigger screen via HDMI/USB Card; Connect your PC / Laptop / DVD Player to enjoy videos or movies. Connect Play station PS3 PS4 or X-Box via HDMI port to enjoy games on so big screen; Usually, when the projectors works, the fan will make noise to Radiating due to the highly temperature. It will be better that you can have a break after 3-4 hours using to avoid overheating.