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CCTV FAQ'S

What is a CCTV system and how does it work?

A CCTV (Closed Circuit Television) system uses cameras to monitor and record video footage of your property. Cameras feed video to a recording unit, which stores footage and allows playback, remote viewing, and event search.

For example, the Hikvision 4MP Turbo HD Bullet Camera is a strong outdoor option for day/night surveillance:

👉 https://rsec.co.za/product/hikvision-ds-2ce16h0t-izf-4mp-bullet/

 

How many CCTV cameras do I need for my property?

The number of cameras depends on property size and security goals:

  • Homes: 4–8 cameras (main entrances, yard, driveway, passages)

  • Businesses: 8+ cameras (parking, access points, interiors)

A balanced mix of indoor and outdoor cameras is ideal.

Here’s a solid indoor option: the Hikvision 1080p Dome Camera:

👉 https://rsec.co.za/product/hikvision-ds-2ce56d0t-it3f-1080p-dome/

 

What is the difference between a DVR and an NVR?

  • DVR (Digital Video Recorder): Works with analogue/coax CCTV cameras

  • NVR (Network Video Recorder): Works with IP cameras over Cat5/Cat6

For higher resolution and easier remote viewing, IP + NVR systems are increasing in popularity.

A popular choice is the Hikvision 8-Channel NVR with hard drive support:

👉 https://rsec.co.za/product/hikvision-ds-7108ni-q1-8p-nvr/

Do CCTV cameras work at night?

Yes, most CCTV cameras include infrared (IR) night vision for low-light recording. Some models also offer colour night vision for more detail after dark.

The Hikvision ColorVu CCTV Camera uses powerful sensors to preserve colour even at night:

👉 https://rsec.co.za/product/hikvision-ds-2ce12hft-it3f-colorvu/

What is the difference between dome and bullet cameras?

  • Dome cameras:

    • Discreet and compact

    • Great for indoors

    • Harder to tamper with

  • Bullet cameras:

    • Longer viewing range

    • High visibility deterrent

    • Great for outdoor use

Good outdoor choice: Hikvision Bullet Camera (4MP):

👉 https://rsec.co.za/product/hikvision-ds-2ce16h0t-izf-4mp-bullet/

Can I view my CCTV cameras on my phone?

Yes! Most systems support remote viewing via apps, letting you:

  • View live footage

  • Search recordings

  • Get notifications (when configured)

The Hikvision NVR can be paired with the official app for remote access:

👉 https://rsec.co.za/product/hikvision-ds-7108ni-q1-8p-nvr/

How much storage do I need for CCTV footage?

Storage depends on:

  • Number of cameras

  • Resolution (1080p vs 4MP+)

  • Recording mode (motion vs continuous)

Most setups use hard drives sized for 7 to 30 days of retention. Hard drives are installed directly into compatible NVRs.

Example DVR recorder with storage:

👉 https://rsec.co.za/product/hikvision-ds-7108hqi-ks-dvr/

Which CCTV brands does RSEC stock?

RSEC stocks leading camera and recorder brands trusted by installers:

  • Hikvision: Professional CCTV systems & recorders

  • Dahua: Video analytics & commercial cameras

  • EZVIZ: App enabled cameras for homes

Hikvision (Professional CCTV)

Examples of Hikvision products in RSEC’s CCTV range:

  • 📍 Hikvision DS‑2CD1023G0E‑I 2MP Fixed Bullet Camera  a reliable outdoor bullet camera for general surveillance.

  • 📍 Hikvision DS‑2CD1123G0E‑I 2MP Fixed Dome Network Camera compact dome camera with night vision.

  • 📍 DS‑7616NI‑K2 Hikvision 16‑ch 1U 4K NVR high performance network video recorder.

Hikvision is a widely used brand in CCTV for professional residential and commercial surveillance.

📷 Dahua (Advanced Analytics & Smart Cameras)

Example Dahua products:

  • 📍 Dahua DH‑IPC‑HFW2449TL‑S‑PRO 4MP WizColor Bullet Camera full-colour outdoor camera with AI detection.

  • 📍 Dahua Fixed Focal DH‑HAC‑HDW1500TLQP‑A Eyeball Camera versatile 5MP fixed camera suitable for indoor/outdoor use.

  • 📍 Dahua Wi‑Fi DH‑IPC‑HDW1430DT‑STW Camera Wi-Fi network camera for easier installations.

Dahua products include advanced imaging and AI-capable CCTV solutions.

🛡 EZVIZ (Smart Home & App-Driven Cameras)

Examples of EZVIZ products:

  • 📍 EZVIZ H8c PoE 2K Pan & Tilt IP Security Camera – 2K pan-tilt camera for flexible coverage.

  • 📍 EZVIZ EB3 2K Standalone Smart Battery Camera KIT battery + solar-powered stand-alone security kit.

  • 📍 EZVIZ H8C Pro 3K Wi‑Fi Camera smart 3K AI camera for detailed monitoring.

EZVIZ focuses on smart Wi-Fi connected systems ideal for homes and small businesses.

Is CCTV better than an alarm system?

CCTV and alarm systems work best together:

  • Alarms provide alerts when an event happens

  • CCTV verifies and records what occurred

Use both for a more complete security solution.

Example alarm system (to link the concept):

👉 https://rsec.co.za/product/ajax-hub-2/

Can CCTV integrate with other security systems?

Yes, CCTV can integrate with alarms, access control, and smart automation, giving you:

  • Linked alerts

  • Unified monitoring

  • Centralised control

For example, pairing cameras with a smart alarm adds verification to alerts.

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