Native Resolution:1280*800, Aspect Ratio:4:3/16:9, Lens:Manual Focus Lens, Projection Distance:2.16--4.77m, Keystone Correction:Vertical 15 Manual, Zoom:x 2.4, Picture Flip:360 Degree Flip, Built-in speakers no need to connect extra sound. Besides, this HD projector also has HDMI*2 / USB*2 /VGA/TV/Y/Pb/Pr, AV Input, Audio output, Audio input, etc,, You can easily Connect PC/Laptop via HDMI port, connect DVD/Cable Box via AV port, Connect PS3 PS4 or X-Box via HDMI cable to enjoy games on so big screen!, Please NOTE that a lightning digital AV adapter is needed to connect your iPhone and A MHL cable is necessary for Android smartphone which support MHL function, Wifi/Android 4.4, 1Gb RAM, 8GB storage, Playstore, Youtube, Miracast in-built