... ,4CH D1 playback embedded IE pluging,support remote control and RS485 Mini DVR specifications: Main Processor and Operating SystemUse ... mobilephone viewControl ModeSupport wireless, wired mouse, the front panel, remote control operation, RS485,RS232Display Frame RateNTSC: 480 fps @ D1 / ... 16CH H.264 mini DVR recorder,16CH D1 recording,4CH D1 playback embedded IE pluging,support remote control and RS485