Model | KIT/NVR4104-P/4-HFW1220S | System | Main Processor | Dual-core embedded processor | Operating System | Embedded LINUX | Video & Audio | IP Camera Input | 4 channel | Two-way Talk | 1 channel Input,1 channel Output, RCA | Display | Interface | 1 HDMI, 1 VGA | Resolution | 1920×1080, 1280×1024, 1280×720, 1024×768 | Display Split | 1/4 | OSD | Camera title, Time, Video loss, Camera lock, Motion detection, Recording | Recording | Compression | H.264/MJPEG | Resolution | 5Mp(2560×1920)3Mp(2048×1536)/1080P(1920×1080)/720P(1280×720)/D1 (704×576/704×480) & etc. | Record Rate | Max 80Mbps | Bit Rate | 48~8192kbps | Record Mode | Manual, Schedule(Regular(Continuous), MD), Stop | Record Interval | 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec | Video Detection | Trigger Events | Recording, PTZ, Tour, Video Push, Email, FTP, Buzzer & Screen tips | Video Detection | Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank | Playback & Backup | Sync Playback | 1/4 | Search Mode | Time/Date, MD & Exact search (accurate to second), Smart search | Playback Function | Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom | Backup Mode | USB Device/Network/Internal SATA burner | Network | Ethernet | 1RJ-45 port (10/100Mbps) | PoE | 4 ports (IEEE802.3af) | Network Function | HTTP, TCP/IP, IPv4/IPv6, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, IP Search(Support Dahua IP camera, DVR, NVS and etc.),SNMP, P2P | Max User Access | 128 users | Smart Phone | iPhone, iPad, Android, Windows Phone | Storage | Internal HDD | 1 SATA port, up to 4TB | Auxiliary Interface | USB | 2 ports (1 Rear), USB2.0 | General | Power Supply | Single, DC48V/1.5A | Power Consumption | NVR: 10W (without HDD) | PoE: Max 25.5(Single port) | Working Environment | -10°C~+55°C/10%~90%RH/86~106kpa | Camera | Image Sensor | 1/2.7” 2Megapixel progressive scan CMOS | Effective Pixels | 1920(H)x1080(V) | Scanning System | Progressive | Electronic Shutter Speed | Auto/Manual, 1s~1/30000s | Min. Illumination | 0.025Lux/F2.1(Color), 0Lux/F2.1(IR on) | S/N Ratio | More than 50dB | Camera Features | Max. IR LEDs Length | 30m | Day/Night | Auto(ICR)/Color/B/W | Backlight Compensation | BLC/HLC/DWDR | White Balance | Auto/Manual | Gain Control | Auto/Manual | Noise Reduction | 3D | Privacy Masking | Up to 4 areas | Lens | Focal Length | 3.6/6mm lens optional | Max Aperture | F2.1 | Focus Control | Manual | Angle of View | H: 93°(63°) | Lens Type | Fixed lens | Mount Type | Board-in Type | Video | Compression | H.264B/H.264/MJPEG | Resolution | 1080P(1920×1080)/720P(1280×720)/D1(704×576/704×480) /CIF(352×288/352×240) | Frame Rate | Main Stream: 1080P(1 ~ 25/30fps) | Sub Stream: D1 (1 ~ 25/30fps) | Bit Rate | H.264: 4kbps ~ 8192Kbps | Network | Ethernet | RJ-45 (10/100Base-T) | Protocol | IPv4/IPv6, HTTP, HTTPS, TCP/IP, UDP, UPnP, ICMP, IGMP, RTSP, RTP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, QoS | Compatibility | ONVIF, CGI | Max. User Access | 20 users | Smart Phone | iPhone, iPad, Android, Windows Phone | General | Power Supply | DC12V, PoE (802.3af) | Power Consumption | <4.4W (IR on) | Working Environment | -30°C~+60°C, Less than 95%RH | Ingress Protection | IP67 | Carton | Dimension(W×D×H) | 387mm×350mm×329mm | 54mm×408mm |