Notice: Not recommended for business presentation or school education. Super simple outlook with good focusing operation small and exquisite</br>GM60 Can be operated easily with or without remote control</br>Native resolution: 800*480 support 1080p 80 ansi lumens. Totally satisfy family daily needs and it can display more than sixteen million kinds of colors</br>30000 hours' lifetime LED light and built-in speaker make your family entertainment theater perfect</br>GM60 support full format video documents has all kinds of interfaces:VGA HDMI USB Headphone AV</br></br>Product Description</br></br><b>ATTENTIVE SUGGESTION</b>: <br>It's brightness is not good for PPT/Business/Teaching presentation. It needs to be used in dark environment for home theater movies and video game use. <p>Projection Screen Size: 34-130 inches <p>Projection Distance: From 1 to 4 meters. You can focus the image by adjusting the gear on the projector another gear is for adjusting the keystone we suggest best projection size:34-130 inches best projection distance:1.5-3 meters <p>Five kinds of inputs:HDMI VGA USB AV SD Card these inputs can help you to get your favourite programs on a big screen. Enjoy videos entertainment by connecting the PC/Laptop/DVD player;Enjoy games on big screen by connecting PS3?? PS4 via HDMI port <p> Pay attention: When the projector works?? the fan will make noise to radiating due to the high temperature. It will be better that you have a break after using it for 3-4 hours to avoid overheat. <p>Extended Fun