... 4,8CH Audio input 1CH Audio out 32CH DVR Support wireless product describe Main Processor and Operating SystemUse the ... :Preview,recording,playback,backup,network live,mobilephone viewControl ModeSupport wireless, wired mouse, the front panel, remote control operation ... , need 3-15 working days longer Goldantell DVR, factory price, high quality, welcome your inquiry ! ! ! 32CH DVR Support wireless