Question 1

What is Dahua 1MP CVI technology?

Accepted Answer

Dahua 1MP CVI is an analog high-definition video standard delivering 1 megapixel (1280×720) resolution over coaxial cable up to 800 m.

Question 2

What image quality can I expect from a 1MP CVI camera?

Accepted Answer

You’ll get clear 720p video at up to 30 fps, offering sufficient detail for basic perimeter monitoring and general surveillance.

Question 3

Is CVI compatible with existing analog systems?

Accepted Answer

Yes. CVI uses standard 75 Ω coax and BNC connectors, so it integrates seamlessly with legacy analog infrastructures.

Question 4

How far can I run coaxial cable with Dahua 1MP CVI?

Accepted Answer

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.

Question 5

Does Dahua 1MP CVI support Power over Coax (PoC)?

Accepted Answer

Yes. PoC simplifies installation by delivering both power and video over a single coaxial cable, reducing wiring costs.

Question 6

Can I use Dahua 1MP CVI cameras with a standard DVR?

Accepted Answer

Use a CVI-compatible DVR. Standard analog DVRs won’t decode HD-CVI signals, so ensure your recorder explicitly supports HD-CVI.

Question 7

What infrared range does a typical 1MP CVI camera offer?

Accepted Answer

Most Dahua 1MP CVI domes provide up to 20 m (65 ft) of IR illumination, ensuring night-time visibility in low-light conditions.

Question 8

Are Dahua 1MP CVI cameras weatherproof?

Accepted Answer

Yes. Models typically carry an IP67 rating, safeguarding against dust ingress and immersion in up to 1 m of water for 30 minutes.

Question 9

What operating temperatures can 1MP CVI cameras handle?

Accepted Answer

Dahua 1MP CVI cameras operate between –40 °C to +60 °C (–40 °F to +140 °F), suitable for most indoor and outdoor environments.

Question 10

Do Dahua 1MP CVI cameras feature OSD menus?

Accepted Answer

Yes. On-screen display menus allow fine-tuning of exposure, white balance, and image settings via coaxial control.

Question 11

What lens options are available for 1MP CVI cameras?

Accepted Answer

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.

Question 12

Can Dahua 1MP CVI cameras detect motion?

Accepted Answer

Yes. Built-in motion detection can trigger DVR recording, email alerts, and alarm outputs upon scene activity.

Question 13

Does 1MP CVI support video analytics?

Accepted Answer

Basic analytics such as line crossing and region-of-interest (ROI) are supported, improving event accuracy and storage efficiency.

Question 14

How do I install a Dahua 1MP CVI camera?

Accepted Answer

Mount the camera, run coaxial cable to a CVI DVR, connect power (or use PoC), and configure settings via the DVR’s OSD menu.

Question 15

What power supply do Dahua 1MP CVI cameras require?

Accepted Answer

Most models use 12 VDC at 200–300 mA. PoC-enabled cameras draw power directly from the DVR over coax.

Question 16

How do I optimize video quality on 1MP CVI cameras?

Accepted Answer

Adjust exposure, gain, and white balance via the OSD. Use proper lighting and choose the appropriate lens for your scene.

Question 17

Where can I purchase genuine Dahua 1MP CVI cameras?

Accepted Answer

Buy from authorized Dahua distributors or certified security integrators to ensure warranty coverage and firmware support.

Security Cameras Dahua 1MP Cvi

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