AVTECH NVR 4CH AVH401, DVR CCTV 4 Channel NVRHardwareVideo Inputs 4 LAN portsVideo Output 1 HDMI outputVideo Output Resolution 1920 x 1080HDD Storage One 3TB HDDeSATA YESUSB Ports Two (One for Video backup to USB flash drive, and another for NVR control via USB mouse)IR Remote Control YESEthernet (LAN port 1~4) 10/100Mbps with PONEthernet (WAN port) 1000MbpsSoftwareVideo Compression Format H.264Local / Remote Display Mode 4CHLocal / Remote Playback Mode 4CHRecording Mode Manual / Event / Alarm / ScheduleRecording Throughput Up to 120 IPS @ 1280 x 1024, 32MbpsPre-alarm Recording YESQuick Search Time / EventSecurity Multiple user access levels with passwordRemote Access (1) Internet Explorer on Windows operating system(2) EagleEyes on iOS & Android mobile devicesGeneralPower Source (±10%) DC48V / 1.25ACamera power supply over PON(Power-over-Network) YESOperating Temperature 10℃ ~ 40℃ (50℉ ~ 104℉)Minimum PC Browsing Requirement - Intel core i3 CPU or higher or equivalent AMD processor - 2GB RAM - AGP graphics card, Direct Draw, 32MB RAM - Windows 7, Vista & XP, DirectX 9.0 or later - Internet Explorer 7.x or laterHardwareVideo Inputs 4 LAN ports Video Output 1 HDMI output Video Output Resolution 1920 x 1080 HDD Storage One 3TB HDD eSATA YES USB Ports Two (One for Video backup to USB flash drive, and another for NVR control via USB mouse) IR Remote Control YES Ethernet (LAN port 1~4) 10/100Mbps with PON Ethernet (WAN port) 1000MbpsSoftware Video Compression Format H.264 Local / Remote Display Mode 4CH Local / Remote Playback Mode 4CH Recording Mode Manual / Event / Alarm / Schedule Recording Throughput Up to 120 IPS @ 1280 x 1024, 32Mbps Pre-alarm Recording YES Quick Search Time / Event Security Multiple user access levels with password Remote Access (1) Internet Explorer on Windows operating system (2) EagleEyes on iOS & Android mobile devicesGeneral Power Source (±10%) DC48V / 1.25A Camera power supply over PON(Power-over-Network) YES Operating Temperature 10℃ ~ 40℃ (50℉ ~ 104℉) Minimum PC Browsing Requirement - Intel core i3 CPU or higher or equivalent AMD processor- 2GB RAM- AGP graphics card, Direct Draw, 32MB RAM- Windows 7, Vista & XP, DirectX 9.0 or later- Internet Explorer 7.x or later - See more at: http://www.multialarm.net/index.php?route=product/product&product_id=771&search=AVH+401#sthash.pdOybXNX.dpufHardwareVideo Inputs 4 LAN ports Video Output 1 HDMI output Video Output Resolution 1920 x 1080 HDD Storage One 3TB HDD eSATA YES USB Ports Two (One for Video backup to USB flash drive, and another for NVR control via USB mouse) IR Remote Control YES Ethernet (LAN port 1~4) 10/100Mbps with PON Ethernet (WAN port) 1000MbpsSoftware Video Compression Format H.264 Local / Remote Display Mode 4CH Local / Remote Playback Mode 4CH Recording Mode Manual / Event / Alarm / Schedule Recording Throughput Up to 120 IPS @ 1280 x 1024, 32Mbps Pre-alarm Recording YES Quick Search Time / Event Security Multiple user access levels with password Remote Access (1) Internet Explorer on Windows operating system (2) EagleEyes on iOS & Android mobile devicesGeneral Power Source (±10%) DC48V / 1.25A Camera power supply over PON(Power-over-Network) YES Operating Temperature 10℃ ~ 40℃ (50℉ ~ 104℉) Minimum PC Browsing Requirement - Intel core i3 CPU or higher or equivalent AMD processor- 2GB RAM- AGP graphics card, Direct Draw, 32MB RAM- Windows 7, Vista & XP, DirectX 9.0 or later- Internet Explorer 7.x or later - See more at: http://www.multialarm.net/index.php?route=product/product&product_id=771&search=AVH+401#sthash.pdOybXNX.dpuf