| Brand | Dahua |
| Model | NVR2104HS-P-4KS2 |
| System | |
| Main Processor | Dual-core embedded processor |
| Operating System | Embedded LINUX |
| Audio and Video | |
| IP Camera Input | 4 Channel |
| Two-way Talk | 1 Channel Input, 1 Channel Output, RCA |
| Display | |
| Interface | 1 HDMI, 1 VGA |
Resolution | HDMI: 3840×2160, 1920×1080, 1280×1024, 1280×720 VGA: 1920×1080, 1280×1024, 1280×720 |
| Decoding Capacity | 1ch@8MP 30fps, 4ch@1080P 30fps |
| Multi-screen Display | 1/4 |
| OSD | Camera title, Time, Camera lock, Motion detection, Recording |
| Recording | |
| Compression | Smart H.265+/H.265/Smart H.264+/H.264 |
| Resolution | 8MP/6MP/5MP/4MP/3MP/1080P/720P/D1&etc. |
| Record Rate | 80Mbps |
| Bit Rate | 16Kbps ~ 20Mbps Per Channel |
| Record Mode | Manual, Schedule (Continuous, MD (Motion Detection), Alarm, IVS) |
| 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 | 1/4 |
| Search Mode | Time /Date, MD and Exact Search |
Playback Function | Play, Pause, Stop, Rewind, Fast play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Shuffle, Backup Selection, Digital Zoom |
| Backup Mode | USB Device/Network |
| Third-party Support | Onvif, RTSP |
| Network | |
| Interface | 1 RJ-45 port (10/100Mbps) |
| PoE | 4 ports (IEEE802.3at/af) |
Network Function | HTTP/HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, NTP, DHCP, DNS, IP Filter, DDNS, IP Search(Support Dahua IP camera, DVR, NVS and etc.), P2P |
| Optical Fiber Interface | N/A |
| Max. User Access | 128 users |
| Smart Phone | iPhone, iPad, Android |
| Interoperability | ONVIF 2.4, SDK, CGI |
| Storage | |
Internal HDD | 1 SATA III port, up to 10 TB for a single HDD. The maximum HDD capacity varies with environment temperature |
| HDD Mode | Single |
| eSATA | N/A |
| Auxiliary Interface | |
| USB | 2 ports (1 Rear USB2.0, 1 Front USB2.0) |
| RS232 | N/A |
| RS485 | N/A |
| Power Supply | Single, DC48V/1.25A |
| Power Consumption | |
| NVR | <5.3W (without HDD) |
| PoE | Max 25.5w for single port, 50w in total |
| Operating Conditions | -10°C to +55°C (+14°F to +131°F), 86–106kpa |
| Storage Conditions | 0°C to +40°C (+32°F to +104°F), 30–85% RH |
| Construction | |
Dimensions(W×D×H) | Compact 1U, 260 mm × 224.9 mm × 47.6 mm (10.2" × 8.9" × 1.9") |
| Net Weight | 0.8 kg (1.76 lb) (without HDD) |
| Gross Weight | 1.6 kg (3.53 lb) (without HDD) |
| CE | EN55032, EN55024, EN50130-4, EN60950-1 |
| FCC | Part 15 Subpart B, ANSI C63.4-2014 |
| UL | UL60950-1 |
| Warranty | 1 year |
- Smart H.265+/Smart H.264+/H.265/H.264.
- Max 80Mbps incoming bandwidth.
- Up to 8Mp resolution preview&playback.
- Up to 1ch@8MP/4ch@1080P decoding.
- HDMI/VGA simultaneous video output.
- Support IPC UPnP, 4PoE ports.