Q
What is the Dahua 8MP CVI camera?
A
The Dahua 8MP CVI camera is an analog high-definition surveillance solution that delivers 3840×2160 resolution video over coaxial cable using the HDCVI standard.
Q
What video resolution does the Dahua 8MP CVI support?
A
It supports true 8 MP (3840 × 2160) resolution at up to 15 fps and 4 MP (2560 × 1440) at 30 fps for ultra-clear imaging.
Q
How far can Dahua 8MP CVI transmit video over coaxial cable?
A
Using RG59 coaxial, it can transmit 8 MP video up to 240 m and 4 MP up to 300 m without signal boosters.
Q
Does the Dahua 8MP CVI camera support Power over Coax (PoC)?
A
Yes, select Dahua 8 MP CVI PoC models deliver video and power over a single coaxial cable for simplified installation.
Q
Which DVRs are compatible with Dahua 8MP CVI cameras?
A
They are compatible with all Dahua HCVR series DVRs and most third-party CVI/CVBS/TVI/AHD hybrid DVRs supporting 8 MP inputs.
Q
What lens options are available for the Dahua 8MP CVI camera?
A
Available lens options include fixed 2.8 mm, 3.6 mm, 6 mm, 8 mm, and varifocal 2.7–12 mm for flexible field-of-view configurations.
Q
What is the night vision range of the Dahua 8MP CVI?
A
Equipped with EXIR 2.0 LEDs, it provides up to 30 m of clear black-and-white night vision under zero-lux conditions.
Q
Is the Dahua 8MP CVI camera weatherproof for outdoor use?
A
Yes, it features an IP67-rated housing for dust and water resistance and operates from –40 °C to 60 °C (–40 °F to 140 °F).
Q
What smart features does the Dahua 8MP CVI camera include?
A
It offers intelligent video system (IVS) analytics such as tripwire, intrusion detection, face detection, and motion tracking.
Q
Which video compression formats are supported by Dahua 8MP CVI?
A
It supports H.265, H.264, and MJPEG compression, reducing bandwidth by up to 50 % while retaining image quality.
Q
How do I install a Dahua 8MP CVI camera?
A
Mount the camera, connect it to a DVR via coaxial cable (and PoC if supported), power it with 12 VDC or PoC, then configure settings via the DVR OSD menu.
Q
What power supply does the Dahua 8MP CVI require?
A
Standard models require a 12 VDC/0.5 A power supply; PoC-enabled models draw power directly from a PoC-capable DVR.
Q
Can the Dahua 8MP CVI camera operate in extreme temperatures?
A
Yes, it reliably operates between –40 °C and 60 °C (–40 °F to 140 °F) with built-in heat dissipation design.
Q
What is the difference between Dahua 8MP CVI and IP cameras?
A
Dahua 8 MP CVI uses analog coax for low-latency, cost-effective HD video, while IP cameras use network cabling, offer higher frame rates, and more flexible remote management.
Q
Does the Dahua 8MP CVI support on-screen display and privacy masking?
A
Yes, it features on-screen display (OSD) menus for image adjustment and up to four configurable privacy mask areas.