United States
Q
What is Dahua 1MP CVI technology?
A
Dahua 1MP CVI is an analog high-definition video standard delivering 1 megapixel (1280×720) resolution over coaxial cable up to 800 m.
Q
What image quality can I expect from a 1MP CVI camera?
A
You’ll get clear 720p video at up to 30 fps, offering sufficient detail for basic perimeter monitoring and general surveillance.
Q
Is CVI compatible with existing analog systems?
A
Yes. CVI uses standard 75 Ω coax and BNC connectors, so it integrates seamlessly with legacy analog infrastructures.
Q
How far can I run coaxial cable with Dahua 1MP CVI?
A
Dahua guarantees up to 800 m (2,625 ft) of video transmission over RG59 and up to 1,200 m (3,937 ft) over RG6 without repeaters.
Q
Does Dahua 1MP CVI support Power over Coax (PoC)?
A
Yes. PoC simplifies installation by delivering both power and video over a single coaxial cable, reducing wiring costs.
Q
Can I use Dahua 1MP CVI cameras with a standard DVR?
A
Use a CVI-compatible DVR. Standard analog DVRs won’t decode HD-CVI signals, so ensure your recorder explicitly supports HD-CVI.
Q
What infrared range does a typical 1MP CVI camera offer?
A
Most Dahua 1MP CVI domes provide up to 20 m (65 ft) of IR illumination, ensuring night-time visibility in low-light conditions.
Q
Are Dahua 1MP CVI cameras weatherproof?
A
Yes. Models typically carry an IP67 rating, safeguarding against dust ingress and immersion in up to 1 m of water for 30 minutes.
Q
What operating temperatures can 1MP CVI cameras handle?
A
Dahua 1MP CVI cameras operate between –40 °C to +60 °C (–40 °F to +140 °F), suitable for most indoor and outdoor environments.
Q
Do Dahua 1MP CVI cameras feature OSD menus?
A
Yes. On-screen display menus allow fine-tuning of exposure, white balance, and image settings via coaxial control.
Q
What lens options are available for 1MP CVI cameras?
A
Fixed focal lengths range from 2.8 mm to 6 mm. Some models offer motorized varifocal lenses (2.7–12 mm) for flexible field-of-view adjustments.
Q
Can Dahua 1MP CVI cameras detect motion?
A
Yes. Built-in motion detection can trigger DVR recording, email alerts, and alarm outputs upon scene activity.
Q
Does 1MP CVI support video analytics?
A
Basic analytics such as line crossing and region-of-interest (ROI) are supported, improving event accuracy and storage efficiency.
Q
How do I install a Dahua 1MP CVI camera?
A
Mount the camera, run coaxial cable to a CVI DVR, connect power (or use PoC), and configure settings via the DVR’s OSD menu.
Q
What power supply do Dahua 1MP CVI cameras require?
A
Most models use 12 VDC at 200–300 mA. PoC-enabled cameras draw power directly from the DVR over coax.
Q
How do I optimize video quality on 1MP CVI cameras?
A
Adjust exposure, gain, and white balance via the OSD. Use proper lighting and choose the appropriate lens for your scene.
Q
Where can I purchase genuine Dahua 1MP CVI cameras?
A
Buy from authorized Dahua distributors or certified security integrators to ensure warranty coverage and firmware support.
