![](https://ecomp.lt/2954040-large_default/ip-camera-dahua-ipc-hfw2841s-s-0280b.jpg)
Product Details
Data sheet
- Type
- IP security camera
- Width
- 70 mm
- Height
- 70 mm
- Depth
- 166.2 mm
- Connectivity technology
- Wired
- Weight
- 480 g
- Power source type
- DC, PoE
- Operating temperature (T-T)
- -40 - 60 °C
- Operating relative humidity (H-H)
- 0 - 95%
- Storage temperature (T-T)
- -40 - 60 °C
- Mounting type
- Ceiling/wall
- Form factor
- Tube/dome
- Built-in microphone
- Yes
- Bluetooth
- No
- Bit rate
- H.264: 32 kbps–8192 kbps H.265: 12 kbps–8192 kbps
- Noise reduction
- Yes
- Mobile operating systems supported
- Android
- Sensor type
- CMOS
- Wi-Fi
- No
- Internal memory
- 256 MB
- Audio formats supported
- PCM
- Power consumption (max)
- 4.5 W
- Power consumption (typical)
- 2.7 W
- Maximum resolution
- 3840 x 2160 pixels
- Placement supported
- External / Internal
- Housing material
- Metal
- Networking standards
- IEEE 802.3af
- Ethernet LAN
- Yes
- Lens type
- Fixed focal length lens
- Supported graphics resolutions
- 704 x 480
- International Protection (IP) code
- IP67
- Ethernet interface type
- Fast Ethernet
- Number of Users
- 20 user(s)
- Web-based management
- Yes
- Quality of Service (QoS) support
- Yes
- Frame Rate
- 30 fps
- Product colour
- White
- Tilt angle range
- 0 - 90°
- Focal length range
- 2.8 mm
- Web browser
- Yes
- LED type
- IR
- Night vision
- Yes
- Total megapixels
- 8 MP
- Optical sensor size
- 25.4 / 2.7 mm (1 / 2.7")
- White balance
- Auto
- Minimum illumination
- 0.009 lx
- Pan range
- 0 - 360°
- Lens viewing angle, diagonal
- 125°
- Video compression formats
- H.264+
- DC output voltage
- 12
- Video motion detection
- Yes
- Number of cameras
- 1
- Night vision distance
- 30 m
- Number of lenses
- 1
- Built-in HDD
- No
- Lens viewing angle, vertical
- 56°
- Noise reduction technology
- 3D noise reduction
- Region of Interest (ROI) encoding
- Yes
- Maximum aperture number
- 2
- Lens viewing angle, horizontal
- 106°
- Number of sensors
- 1
- Wide Dynamic Range (WDR)
- 120 dB
- Progressive scan
- Yes
- Back Light Compensation (BLC)
- Yes
- Video streaming
- Yes
- ROM capacity
- 128 MB
- Camera shutter speed
- 1/3 - 1/100000 s
- Adjustment shutter speed
- Auto/Manual
- Bit rate control
- Constant Bit Rate (CBR)/Variable Bit Rate (VBR)
- Gain control type
- Auto/Manual
- Highlight Compensation (HLC)
- Yes
- Number of illumination LEDs
- 1
- Power consumption (Power over Ethernet (PoE))
- 5.4 W
- Closest focusing distance
- 1.3 m
Quick Compare
Product |
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Availability |
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Price |
€146.59
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€146.89
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€147.06
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€147.08
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Description |
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Mac operating systems supported |
Yes | |||
Type |
IP security camera | IP security camera | ||
Windows operating systems supported |
Yes | |||
Colour |
Yes | |||
Width |
71 mm | 127 mm | ||
Height |
71 mm | 117.5 mm | 56 mm | |
Depth |
48.3 mm | 56 mm | ||
Connectivity technology |
Wireless | Wired | Wireless | |
Weight |
320 g | 155 g | 335 g | |
Package depth |
135 mm | 220 mm | ||
Package height |
183 mm | 97 mm | ||
Package width |
135 mm | 155 mm | ||
Package weight |
325 g | 690 g | ||
Power source type |
DC, PoE | Battery | ||
Cables included |
USB | |||
Storage relative humidity (H-H) |
0 - 95% | |||
Operating temperature (T-T) |
-10 - 45 °C | -10 - 50 °C | -10 - 55 °C | |
Operating relative humidity (H-H) |
0 - 95% | 0 - 95% | 20 - 85% | |
Storage temperature (T-T) |
-10 - 50 °C | |||
Mounting type |
Ceiling/wall | Wall | ||
Form factor |
Dome | |||
USB port |
Yes | |||
Built-in microphone |
Yes | Yes | Yes | |
Bluetooth |
No | No | ||
Sample rate |
48 kHz | |||
Bit rate |
32 Kbps - 8 Mbps | |||
Noise reduction |
Yes | |||
Mobile operating systems supported |
Android | |||
Battery capacity |
4.6 Ah | 6000 mAh | ||
Sensor type |
CMOS | CMOS | CMOS | |
Wi-Fi |
Yes | No | Yes | |
Compatible memory cards |
MicroSD (TransFlash) | MicroSD (TransFlash) | MicroSD (TransFlash) | |
Wi-Fi standards |
IEEE 802.11b | Wi-Fi 4 (802.11n) | ||
Maximum memory card size |
256 GB | 256 GB | 128 GB | |
Audio system |
2-way | |||
Audio formats supported |
MP3 | |||
Input voltage |
5 V | |||
Power consumption (max) |
2.2 W | 3.2 W | ||
Maximum resolution |
2688 x 1520 pixels | 3840 x 2160 pixels | ||
Built-in speaker(s) |
Yes | |||
Placement supported |
Indoor | Indoor & outdoor | ||
Card reader integrated |
Yes | Yes | ||
Touchscreen |
Yes | |||
Ethernet LAN (RJ-45) ports |
1 | |||
Number of languages |
33 | |||
Viewable screen width (W) |
11.6 cm | |||
Viewable screen height (H) |
8.6 cm | |||
Housing material |
Plastic | |||
Networking standards |
IEEE 802.1x | IEEE 802.11a | ||
Security algorithms |
WPA2 | |||
Ethernet LAN |
Yes | No | ||
Alarm clock |
Yes | |||
International Protection (IP) code |
IP65 | IP65 | ||
Ethernet interface type |
Fast Ethernet | |||
Supported video modes |
1080p | |||
Colour Temperature |
6500 K | |||
Number of Users |
32 user(s) | |||
Maximum video resolution |
1920 x 1080 pixels | |||
Maximum frame rate |
15 fps | |||
Web-based management |
Yes | Yes | ||
Quality of Service (QoS) support |
Yes | |||
Supported network protocols |
SSL, TCP/IP, UDP, UPNP, SMTP, NTP, P2P | |||
Reset button |
Yes | Yes | ||
Password protection |
Yes | |||
Frame Rate |
30 fps | 15 fps | ||
Mounting kit |
Yes | |||
Product colour |
White | White | White | |
Tilt angle range |
0 - 75° | |||
Proper use |
Outdoor | |||
Fixed focal length |
2 mm | 2.8 mm | ||
Virtual assistant |
Amazon Alexa & Google Assistant | |||
Voice codecs |
G.711ulaw | |||
Wi-Fi frequency |
2.4 GHz | |||
Screws included |
Yes | |||
LED type |
IR | IR | ||
Night vision |
Yes | No | Yes | |
Total megapixels |
4 MP | 8 MP | ||
Motion sensor |
Yes | |||
Optical sensor size |
25.4 / 1.3 mm (1 / 1.3") | 25.4 / 3 mm (1 / 3") | 25.4 / 2.7 mm (1 / 2.7") | |
Minimum illumination |
0.005 lx | |||
Lens viewing angle, diagonal |
155° | 122° | 125° | |
Video compression formats |
H.265+ | H.265 | ||
DC output voltage |
12 | |||
Video motion detection |
Yes | |||
Number of cameras |
1 | 1 | ||
Night vision distance |
5 m | 10 m | ||
Number of lenses |
1 | 1 | ||
Detection distance |
6 m | |||
Motion sensor technology |
Passive infrared (PIR) sensor | |||
Day/night mode |
Yes | |||
Preset points |
Yes | |||
Built-in HDD |
No | No | ||
Lens viewing angle, vertical |
55° | 55° | ||
Noise reduction technology |
3D noise reduction | |||
Region of Interest (ROI) encoding |
Yes | |||
Maximum aperture number |
2.2 | |||
Lens viewing angle, horizontal |
103° | 105° | ||
Number of sensors |
1 | 1 | ||
Infra-red wavelength |
850 nm | |||
Wide Dynamic Range (WDR) |
DWDR | Yes | ||
Progressive scan |
Yes | |||
Heartbeat |
Yes | |||
Anti-flicker |
Yes | |||
Back Light Compensation (BLC) |
Yes | |||
Video streaming |
Yes | |||
Weatherproof |
Yes | |||
IP address filtering |
Yes | |||
Intelligent Video Surveillance (IVS) system features |
Face detection | Pet detection | ||
Camera shutter speed |
1/3 - 1/100000 s | |||
Bit rate control |
Constant Bit Rate (CBR)/Variable Bit Rate (VBR) | |||
Highlight Compensation (HLC) |
Yes | |||
Number of illumination LEDs |
6 | |||
People detection |
No | |||
Two-way talk |
Yes | |||
People detection |
No | |||
Power consumption (Power over Ethernet (PoE)) |
4.2 W | |||
HTTPS encryption |
Yes | |||
Behavior analysis |
Intrusion detection, Line crossing detection | |||
Built-in loudspeaker |
Yes | |||
Wireless transmission security |
WPA2-PSK | |||
Card reader slot |
1 | |||
Video codecs |
H.264 / H.265 | |||
Door thickness |
35 - 105 mm | |||
Smartphone support |
Yes | |||
Outdoor unit power type |
DC | |||
Motion detection function |
Yes | |||
Depth (with base) |
2.7 cm | |||
PIR sensor sensitivity |
Adjustable | |||
Integrated PIR sensor |
Yes | |||
Viewfinder screen size |
4.3" | |||
Supported peephole diameter |
16.5 - 50 mm | |||
Built-in light |
Yes | |||
Detect distance |
56 m | |||
Observe distance |
22 m | |||
Recognize distance |
11 m | |||
Identify distance |
6 m | |||
Bit rate range |
64 - 4096 Kbit/s | |||