... : 2GB (Optional: 1GB - 8GB)• External memory: TF card• Touch keypad, Remote control• Built-in small fan to cool Lens• Multimedia Function ... Video: MKV MPEG4, AVI, RM, RMVB, FLV, WMV, 3PG, MP4 Support up to 1280x720p o Audio: MP3. WMA, WAV,APE, FLAV ... connect to external speakers• Power source: NP120 Li-ion battery With Bracket, very convenient for meetings, products introduction, business demo ...