... Audio input 1CH Audio out 32CH DVR Support wireless product describe Main Processor and Operating SystemUse the standard ... :Preview,recording,playback,backup,network live,mobilephone viewControl ModeSupport wireless, wired mouse, the front panel, remote control operation ... (8520,8530,8900,9530,9550,9000,9700,9630) product picture Honors Semi-finished district Finished goods warehouse Customer ...