Ultra-quiet isolation</br>Sleek ultra portable design</br>correction function</br>adjust the screen keystone</br>Mini USB interface</br></br>Product Description</br></br><b>General Information </b> <br /> Model: EL30WWH Color: White <br /> Material: Plastic <br /> Quantity: 1 Piece <br /> <b>Specification</b> <br /> Operating System: No <br /> Type: LCD <br /> Brightness: 600 lumens <br /> Menu Language: English ?? Slovak ?? Chinese Simplified ?? Portuguese <br /> Lens: F=125 <br /> Life Span: 20000 Hour <br /> Built-in Speakers: Yes <br /> Emitter BIN: LED <br /> <b>Display</b> <br /> Display Size: 30~100"r /> Aspect Ratio: 16:9 / 4:3 <br /> Contrast Ratio: 500:1 <br /> Maximum Resolution: 1920 x 1080 <br /> Throw Distance: 1.07~3.31m <br /> <b>Storage</b> <br /> Built-in Memory / RAM: Supports SD or USB flash disk <br /> Storage: Supports SD or USB flash disk <br /> External Memory: SD card?? up to 16GB; HDD: up to 500GB <br /> <b>Formats</b> <br /> Audio Formats: ASF / WAV ?? MP3 ?? WMA ?? APE ?? FLAC ?? OGG ?? AAC <br /> Video Formats: ASF / 3GP ?? FLV ?? RMVB ?? WMV ?? AVI ?? MKV ?? MOV ?? MP4 <br /> Pict