H.264 pression(CIF) Real-time recording on each channel Triplex technology (recording playback and transmitting at the same time)USB mouse function to easily navigate through program menusUSB port for backup to USB flash drive USB hard drive or USB DVD burnerRemote Inter monitoring (up to 10 users at the same time)Mobile phone surveillance Win Mobile Pro Symbian iPhone and Android on 3G works4 audio inputs/1 audio output