| System | |
| Main Processor | Dual-core embedded processor |
| Operating System | Embedded LINUX |
| Audio and Video | |
| IP Camera Input | 4/8 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 |
| Multi-screen Display | 4CH: 1/4 |
| 8CH: 1/4/8/9 | |
| OSD | Camera title, Time, Camera lock, Motion detection, Recording |
| Recording | |
| Compression | H.264+/H.264 |
| Resolution | 6Mp/5Mp/4Mp/3Mp/1080P/ 720P/ D1&etc. |
| Record Rate | 80Mbps |
| Bit Rate | 16Kbps ~ 20Mbps Per Channel |
| 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 and Alarm | |
| Trigger Events | Recording, PTZ, Tour, Video Push, Snapshot, and Screen Tips |
| Video Detection | Motion Detection, MD Zones: 396 (22 × 18),
and Tampering |
| Alarm input | N/A |
| Relay Output | N/A |
| Playback and Backup | |
| Sync Playback | 4CH: 1/4 |
| 8CH: 1/4/8 | |
| Search Mode | Time /Date, MD and Exact Search
(accurate to second) |
| 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 |
| Third-party Support | |
| Third-party Support | Dahua, Arecont Vision, AXIS, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, and more |
| Network | |
| Interface | 1 RJ-45 port (10/100Mbps) |
| Ethernet Port | 1 Independent 100Mbps Ethernet Port |
| PoE | N/A |
| Network Function | HTTP, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP, DHCP, DNS, IP Filter, DDNS, IP Search(Support Dahua IP camera, DVR, NVS and etc.), Easy4ip |
| Optical Fiber Interface | N/A |
| Max. User Access | 128 users |
| Smart Phone | iPhone, iPad, Android |
| Interoperability | ONVIF 2.4, CGI Conformant |
| Storage | |
| Internal HDD | 1 SATA III Port, up to 6TB capacity for each HDD |
| HDD Mode | Single |
| eSATA | N/A |
| Auxiliary Interface | |
| USB | 2 ports (2 Rear USB2.0) |
| RS232 | N/A |
| RS485 | N/A |
| Electrical | |
| Power Supply | Single, DC12V/2A |
| Power Consumption | <3W (without HDD) |
| Environmental | |
| Operating Conditions | -10°C ~ +55°C (+14°F ~ +131°F), 86 ~ 106kpa |
| Storage Conditions | -20°C ~ +70°C (-4°F ~ +158°F), 0 ~ 90% RH |
| Construction | |
| Dimensions(W×D×H) | Smart 1U, 204.6mm×204.6mm×45.6mm
(8.1″ x 8.1″ x 1.8″) |
| Net Weight | 0.4kg (0.88 lb) (without HDD) |
| Gross Weight | 1.5kg(3.31 lb)(without HDD) |
| Certifications | |
| CE | EN55032, EN55024, EN50130-4, EN60950-1 |
| FCC | Part 15 Subpart B, ANSI C63.4-2014 |
มาเป็นคนแรกที่วิจารณ์ “Dahua NVR2104-S2 4 Channel Smart 1U Lite Network Video Recorder Warranty 3 years”