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Monitor your home or business with the C845E42A 4-Channel 4K UHD Pentabrid HD-CVI Mini DVR with 2TB HDD & 4 5MP Outdoor Night Vision Turret Cameras from Dahua Technology. This DVR supports HD-CVI, HD-TVI, AHD, and CVBS signals. Equipped with a SATA port, this recorder can support up to 10TB of internal storage (2TB preinstalled). Space-saving H.265+/H.264+ and H.265/H.264 video codecs reduce bandwidth requirements for efficient data storage while maintaining the best quality possible.
The included turret cameras transmit 2880 x 1620 resolution video at 25 fps. They are each equipped with a 2.8mm fixed lens that delivers a 111° horizontal field of view, along with an IR LED for up to 98 of night vision. The cameras are IP67 rated for outdoor use.
Dahua Technology Pro Series X81B1E 4-Channel 4K UHD Pentabrid HD-CVI Mini DVR with 2TB HDD Specs
General
| Signal | AHD, Analog, HD-CVI, HD-TVI, IP |
| Number of Channels | 4 |
| Playback Resolution | AHD, HD-TVI, HD-CVI: 720p, 1080p, 8 MP, 6 MP, 5 MP, 4 MP CVBS: IP: 8 MP Spot: 1080p |
| Recording Resolution | 8 MP at 7 fps 6 MP at 10 fps 5 MP at 12 fps 4K-N, 3 MP, 4 MP at 15 fps 1080p, 720p, 960H, 4M-N, CIF, D1 at 30 fps |
| PTZ Support | Yes |
| Playback Speeds | 1x, 4x |
| Bit Rate | 32 kb/s to 6144 kb/s (Each Channel) |
| IP Camera Support | 4 |
| Dual Streaming | Yes |
| Decoding Resolution | 4 Channels: 4K at 7 fps 6 MP at 10 fps 5 MP at 12 fps 960H, 4M-N, 1080p, 720p at 30 fps 1 Channel: 4K at 30 fps |
| 2-Way Audio | Yes |
| Maximum Sampling Rate | 8 kHz / 16-Bit |
Connectivity
| A/V Inputs/Outputs | AHD, Analog, CVBS, HD-CVI, HD-TVI: 4 x BNC 1 x HDMI 1 x VGA 4 x RCA Audio Input 1 x RCA Audio Output |
| Communication Inputs/Outputs | 1 x RJ45 10/100 Mb/s Ethernet 1 x RS-485 2 x USB-A 2.0 |
| Audio Inputs/Outputs | 4 Inputs 1 Output |
| System Connection | 1 x SATA |
| Wi-Fi | None |
| Maximum User Access | 128 |
| Network Protocols | DDNS, DHCP, DNS, FTP, HTTP, IP, IP Filter, IPv4, IPv6, NTP, P2P, PPPoE, RTSP, SMTP, TCP, UDP, UPnP |
| Network Bandwidth | 64 Mb/s |
| Transmission Distance | 3937` / 1200 m |
| Max Frame Rate | 30 fps |
Compatibility
| Supported Video Codecs | H.264, H.264+, H.265, H.265+ |
| Supported Audio Codecs | G.711, PCM |
| Backup Method | Network, USB Drive |
System
| Installed Drive | 2 TB Hard Drive |
| Max Capacity Supported | 10 TB (Total) |
| OS Compatibility | Android iOS *As of April, 2022: Check with manufacturer for the most up-to-date compatibility |
| Recording Intervals | 1 to 60 Minutes (Default) 1 to 30 Seconds (Pre-Record) 10 to 300 Seconds (Post-Record) |
| Recording Modes | Alarm, Continuous, Manual, Motion, Schedule, Stop, Tampering, Video Loss |
| Search Modes | Alarm, Date/Time, Motion, Search |
| Multi-Screen Configuration | 1, 4 (IP Extension Disabled) 1, 4, 8, 9 (IP Extension Enabled) |
Notifications
| Alarm Inputs/Outputs | 8 Inputs 3 Outputs |
| Event Trigger | Buzzer, Email, FTP, PTZ, Recording, Screen Tips, Snapshot, Tour, Video Push |
| Number of Motion Detection Zones | 396 (22 x 18) |
Electrical
| Power Consumption | 12 VDC at 2 A (7 W) |
Environmental
| Operating Temperature | 14 to 131°F / -10 to 55°C |
| Operating Humidity | 10 to 90% |
| Storage Temperature | -4 to 158°F / -20 to 70°C |
| Storage Humidity | 0 to 90% |
Physical
| Certifications | EN60950-1, FCC-B *as per Manufacturer |
| Built-In Display | None |
| Rack Form Factor | 1 RU |
| Dimensions (W x D x H) | 12.8 x 10.1 x 2.2" / 325.0 x 257.2 x 55.0 mm |
| Weight | 2.6 lb / 1.2 kg |
Packaging Info
| Package Weight | 4.86 lb |
| Box Dimensions (LxWxH) | 14.7 x 12.1 x 4.7" |
Dahua Technology A51BJ02 5MP Outdoor HD-CVI Turret Camera with Night Vision Specs
Camera
| Sensor | 5 MP 1/2.7" CMOS |
| Lens Mount | M12 |
| Focal Length | 2.8mm |
| Maximum Aperture | f/1.6 |
| Lens Field of View | Horizontal: 111° Vertical: 58° Diagonal: 132° |
| IR Cut Filter | Mechanical |
| Day/Night | Yes |
| Minimum Illumination | Color: 0.01 Lux B&W: 0 Lux |
| Shutter Speed | 1/100000 to 1/30 Seconds |
| Camera Angle Adjustment | Horizontal: 0 to 360° Vertical: 0 to 78° |
Video
| Automatic Gain Control | Yes |
| Video Output Connectors | 1 x BNC (AHD / HD-CVI / HD-TVI / Composite) |
| Output Formats | HD-CVI: 2880 x 1620 at 25 fps AHD, HD-CVI, HD-TVI: 2560 x 1440 at 30 fps Composite: 960 x 480 |
Pan & Tilt
| Pan/Tilt | None |
Sensors & Alarms
| Event Trigger | No |
Hardware
| Media/Memory Card Slot | None |
Power
| Power Source | DC |
| Power Consumption | 3.2 W |
Environmental
| Operating Temperature | -40 to 140°F / -40 to 60°C |
| Storage Temperature | -40 to 140°F / -40 to 60°C |
| Operating Humidity | 0 to 95% |
| IP Rating | IP67 |
General
| Inputs/Outputs | 1 x Power |
| Illumination | IR LEDs up to 98.4` / 30 m |
| Material of Construction | Metal (Unspecified Type) |
| Dimensions | ø: 3.7 x H: 3.4" / ø: 94.0 x H: 85.6 mm |
| Weight | 0.68 lb / 0.31 kg |
Packaging Info
| Package Weight | 0.965 lb |
| Box Dimensions (LxWxH) | 4.9 x 4.7 x 4.4" |
In the Box
- 3-Year Manufacturer Warranty
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Hockey
Friday, 16 June 2023
Comment
I love the quality and reliability of Dahua equipment and the price is always great!!! Easy to install and hassle-free.
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