Features:100% brand new and high quality.Portable and light weight design， convenient to carry.Multi selection of inputs: HDMI， VGA，USB， AV，SD.Environmental protection: Up to 20，000 hours LED lamp life and lower power consumption.Speakers built-in projector ， no need connect with any extra speakers.Support File format:1)Audio format: WMA/ MP3/M4A2)Image format: JPEG/BMP/PNG3)Video format: MPEG/RM/RMVB/FLV/DIVX/VCI/H264/MOV/MJPEG4)TXT: txtBrand&Model: Excelvan GM40 projectorImage system&Lamp: LCD+LEDInput terminal: AV/VGA/USB/HDMI/SDBrightness: 400 LumensResolutionl: 320*240pixelsContrast ratio: 800:1Projection size: 20-120inch(the best is 20-60 inch)Menu language: Eight kinds of languageLens: F=125Power waste: 24wSpeaker: 1w*2Voltage input: 12VColor: 16770kBiggest support memory card: 16GSize: 126*126*46 mmWeight: 0.375kgPackage listing:1) Excelvan LED/LCD Portable Mini Multimedia Projector *12) Remote controller *13) AV cable *14) User guide *15) Power adapter *1Note: Reasonable Price for private entertainment only.If you request perfect projection effect， please consider carefully before you purchase.If you want to connect the projector with iphone or ipad， you need an original Apple AV composite cable to connect them Here's a list of questions more commonly asked:1. Can i connect my phone with itAnswer: Yes， you can. If you want to connect the projector with iphone or ipad， you need an original Apple AV composite cable to connect them. while if you want to connect the projector with android phone， you need a MHL cable to connect them and the phone must support the MHL.2. Does it play 3d videos and and which type of 3d supportsAnswer: This projector just supports the red-blue 3d， you should download the red-blue 3d sources and with red-blue 3d glasses.3. The picture on the screen is not clear.Answer: A)You can adjust the sharpness of the picture by manually rotating the lens;B)The projector and screen need to keep a certain distance，just about 1-1.2 meters. C) You should use the HD source. D)If computer connection ， please make the resolution of the computer monitor as the same as the projector.