Security Cameras NZ: Your Complete Buying Guide

Choosing the right security camera system for your New Zealand property requires more than picking the highest megapixel count. From IP ratings and lens types to NVR channel capacity and PoE infrastructure, this guide covers every key decision point - helping installers and procurement teams specify the right solution the first time. Essential Security Supplies stocks professional-grade IP camera systems from FERN360, UniView, Dahua, TVT, Sunell, and IR Lab - all available for NZ delivery.

---

Understanding IP Security Camera Technology in NZ

Modern security cameras sold in New Zealand are almost exclusively IP-based (Internet Protocol), transmitting digital video over a network rather than analogue coaxial cable. IP cameras offer significantly higher resolution, remote access, and integration with intelligent video analytics - making them the standard choice for commercial, industrial, and high-end residential installations.

Key advantages of IP camera systems include:

• Resolutions from 2MP through to 8MP and beyond, delivering forensic-quality imagery
• Power over Ethernet (PoE) - a single Cat5e/Cat6 cable carries both data and power, simplifying installation
• Onboard analytics including tripwire detection, perimeter intrusion, and AI-based person/vehicle classification
• Scalable NVR (Network Video Recorder) architecture - add cameras as your site grows
• Encrypted transmission and secure remote viewing via web browser or mobile app
• ONVIF compatibility across brands including UniView, Dahua, TVT, Sunell, and IR Lab - enabling multi-brand system integration

---

Camera Form Factors: Turret, Dome, Bullet, and Fisheye

The physical housing of a camera affects both its field of view and its suitability for different mounting environments. Understanding the differences helps you specify the right form factor before installation begins.

Turret Cameras

Turret cameras (also called eyeball cameras) use a ball-and-socket design that allows the lens to be repositioned after mounting without removing the camera body. This makes them highly practical for ceiling and wall installations where fine-tuning the angle post-install is common. FERN360's turret range - including fixed and motorised lens variants - is a popular choice for NZ commercial installations. UniView's LightHunter turret series, including the IPC3635SB-ADZK-I0, extends this with a motorised 2.7-13.5mm varifocal lens, IK10 vandal resistance, and intelligent perimeter protection analytics. View our IP turret camera range across all brands.

Dome Cameras

Dome cameras are enclosed in a vandal-resistant housing, making them well-suited to public-facing environments such as retail, hospitality, and transport hubs. The TVT TVT-D2812-8MP-AI is a 4K 8MP motorised dome with IP67 weatherproofing, 120dB WDR, and Human/Vehicle AI analytics - a strong option for high-detail commercial monitoring. Its motorised 2.8-12mm lens (F1.6) delivers a DORI detect distance of 277m and identify distance of 28m at full telephoto, with 0 Lux capability when the built-in white light illuminator is active. View our IP dome camera range across all brands.

Bullet Cameras

Bullet cameras are cylindrical and typically used for long-range outdoor surveillance. Their fixed forward-facing design makes them a visible deterrent, and many models support varifocal lenses for adjustable focal length without lens replacement. IR Lab's bullet range - including the CIR-BA37NAC (3MP IP IR Bullet, PoE) and the varifocal CIR-HSR28NAC (3MP, 2.8-11mm) - provides reliable entry-level IP bullet options with ONVIF Profile S compatibility. View our IP bullet camera range across all brands.

Fisheye / Wide-Angle Cameras

Fisheye cameras use an ultra-wide lens (typically 1.85mm) to capture a 180-360 degree panoramic view from a single unit. This form factor is ideal for open-plan areas, foyers, and car parks where a single camera needs to cover a wide zone. Sunell offers a panoramic camera range with dedicated wall and pendant mount accessories for flexible deployment.

---

Resolution Guide: 2MP, 3MP, 4MP, 5MP, and 8MP Explained

Resolution determines the level of detail captured - critical for identifying faces, licence plates, and incidents. Higher resolution also means larger file sizes and greater storage requirements, so matching resolution to the application is important.

• 2MP (1080p): Suitable for general area monitoring, internal corridors, and low-risk zones. FERN360's Super Starlight 2MP turret cameras offer excellent low-light performance at this resolution, with a minimum illumination of 0.0008 Lux.
• 3MP: A step up from 1080p with noticeably sharper detail. IR Lab's 3MP IP bullet cameras (CIR-BA37NAC) deliver reliable 3MP performance at an accessible price point.
• 4MP: A practical mid-range choice for retail, warehousing, and perimeter monitoring. FERN360's Super Starlight 4MP turret camera (FGSIP-B4TFA-28) delivers 2592x1520 at 25fps with IVA tripwire and perimeter analytics, IP67 weatherproofing, and 30m IR distance. Sunell's 4MP IR minidome cameras are also available in 8-camera NVR kits for medium-scale sites.
• 5MP: Delivers noticeably sharper imagery for licence plate capture and facial recognition at distance. FERN360's 5MP Starlight motorised turret cameras and UniView's IPC3635SB-ADZK-I0 (5MP LightHunter, motorised 2.7-13.5mm) both operate at this resolution with advanced analytics.
• 8MP (4K): The highest resolution tier for maximum forensic detail. The UniView IPC2128SB-ADF28KMC-I0 (8MP Active Deterrence) and TVT TVT-D2812-8MP-AI (4K motorised dome, DORI detect 277m) both deliver 3840x2160 imagery with onboard AI analytics.

---

Fixed vs. Motorised Lenses: Which Should You Specify?

Lens type is one of the most consequential decisions in camera specification. Fixed lenses are factory-set to a single focal length (commonly 2.8mm, 3.6mm, or 4mm), offering a wide field of view and lower cost. Motorised (varifocal) lenses allow remote or manual zoom adjustment - enabling the installer to dial in the exact coverage zone after mounting without remounting the camera.

For installations where the coverage zone may need refinement post-install (such as car parks, driveways, or perimeter fencing), motorised lenses reduce costly revisits. FERN360's motorised 5MP turret cameras use a 2.8-12mm motorised lens; UniView's IPC3635SB-ADZK-I0 extends this to 2.7-13.5mm with a maximum IR distance of 40m; and TVT's TVT-D2812-8MP-AI delivers 4K resolution through a 2.8-12mm motorised dome with a DORI detect range of 277m at full telephoto.

---

Low-Light and Night Vision: IR, Starlight, LightHunter, and White Light Technology

Effective night-time surveillance depends on the camera's low-light capability. There are several technologies used across the brands stocked at Essential Security Supplies:

• IR (Infrared) LEDs: The most common approach - IR LEDs illuminate the scene in near-infrared light, producing black-and-white night footage. IR range varies by model: FERN360 turret cameras offer up to 50m IR distance; UniView's IPC3635SB-ADZK-I0 reaches 40m; IR Lab bullet cameras cover 18m at 3.6mm fixed; TVT's TVT-D2812-8MP-AI covers 30-50m IR.
• White Light Illumination: The TVT TVT-D2812-8MP-AI supports smart supplemental white light with a 30-40m view distance, enabling full-colour night footage at 0 Lux when the illuminator is active - no ambient light required.
• Starlight Technology: Uses a large-aperture lens and high-sensitivity CMOS sensor to capture colour imagery in very low ambient light. FERN360's Starlight cameras - including the 4MP FGSIP-B4TFA-28 (0.002 Lux) and 5MP motorised turret range - maintain colour detail without supplemental lighting.
• LightHunter (UniView): UniView's proprietary ultra-low-light technology, featured in the IPC3635SB-ADZK-I0, delivers colour imagery at 0.002 Lux (F1.2) with intelligent perimeter analytics and IK10 vandal resistance.
• Active Deterrence: The UniView IPC2128SB-ADF28KMC-I0 combines an 8MP sensor with a built-in speaker and alarm light - enabling the camera to actively deter intruders with audio and visual warnings triggered by detection events.

---

IP Ratings: What IP67, IP66, and IK10 Mean for NZ Installations

New Zealand's climate - ranging from coastal salt air to alpine cold - demands cameras with appropriate environmental protection ratings. The Standards New Zealand framework aligns with IEC 60529 for ingress protection (IP) ratings and IEC 62262 for impact resistance (IK) ratings.

• IP66: Dust-tight and protected against powerful water jets. Suitable for most outdoor NZ environments. IR Lab bullet cameras (CIR-BA37NAC, CIR-HSR28NAC) carry IP66 as standard.
• IP67: Dust-tight and protected against temporary immersion in water up to 1m. The standard for FERN360, UniView, Dahua, and TVT cameras - appropriate for exposed outdoor mounting in high-rainfall regions. The FGSIP-B4TFA-28 and TVT TVT-D2812-8MP-AI both carry IP67 confirmed.
• IK10: Impact resistance - withstands 20 joules of impact force. Required for public-facing installations where vandalism is a risk. The UniView IPC3635SB-ADZK-I0 carries both IP67 and IK10 ratings.

---

Video Analytics: Smart Detection Features to Look For

Modern IP cameras include onboard or NVR-based video analytics that reduce false alarms and improve incident response. Key analytics features available across the brands stocked at Essential Security Supplies include:

• Tripwire and perimeter intrusion detection: Available across FERN360, UniView, Dahua, and TVT ranges - including the FGSIP-B4TFA-28 via its onboard IVA engine
• Human/Vehicle AI (TVT SMD): The TVT TVT-D2812-8MP-AI includes Smart Motion Detection (SMD) with AI-based Human/Vehicle classification - reducing false alarms from environmental triggers such as leaves, animals, and lighting changes
• Smart Intrusion Prevention (UniView): AI-based classification of humans, vehicles, and non-motorised vehicles. Available on the IPC3635SB-ADZK-I0 with people flow counting and crowd density monitoring
• Abandoned/missing object detection (TVT): The TVT TVT-D2812-8MP-AI supports abandoned and missing object detection - useful for retail, transport, and high-security environments
• IVS (Intelligent Video Surveillance): Dahua's onboard analytics engine for tripwire and perimeter intrusion
• Active deterrence: UniView's IPC2128SB-ADF28KMC-I0 triggers audio and light warnings on detection - moving beyond passive recording to active intervention
• Smart search and playback: Available on FERN360 NVRs - allows operators to search recorded footage by motion zone, dramatically reducing review time

---

NVR Systems: Channels, PoE Ports, and Storage Capacity

A Network Video Recorder (NVR) is the central hub of any IP camera system - it receives, records, and manages footage from all connected cameras. Key NVR specifications to evaluate include:

• Channel count: The maximum number of cameras the NVR can manage simultaneously. FERN360 NVRs are available in 5, 8, 10, and 20-channel configurations. Sunell's 16-channel NVR (included in Surveillance Kit 6) suits larger commercial deployments.
• PoE ports: Built-in PoE ports eliminate the need for a separate PoE switch. FERN360's 5-channel NVR includes 4 PoE ports with transmission up to 200m.
• Maximum resolution: Ensure the NVR supports the resolution of your cameras. FERN360 NVRs support up to 8MP live view, storage, and playback.
• Storage: NVRs use SATA hard drives. FERN360 NVRs support up to 10TB per HDD bay. H.265+ compression reduces storage requirements significantly compared to H.264. Sunell's 16-channel NVR ships with 2 HDD bays and a 2TB surveillance-grade HDD included.
• Output: HDMI (up to 4K/3840x2160) and VGA simultaneous outputs for local monitoring on FERN360 NVRs.

---

Surveillance Kits vs. Individual Cameras: Which Approach Suits Your Site?

For new installations, pre-configured surveillance kits offer a validated, plug-and-play solution where camera and NVR compatibility is guaranteed. FERN360 kits are available in 2-camera and 4-camera configurations with 5, 10, and 20-channel NVR options. Sunell's Surveillance Kit 6 provides an 8-camera, 16-channel PoE NVR solution with 2TB storage included - covering medium to large commercial premises in a single order. View our IP surveillance kits for complete plug-and-play system options.

Individual cameras are the right choice when expanding an existing system, replacing a failed unit, or specifying a mixed-resolution deployment where different zones require different camera types. All brands stocked - FERN360, UniView, Dahua, TVT, Sunell, and IR Lab - support ONVIF, enabling cross-brand integration on compatible NVR platforms.

---

Product Specifications

Specification	FERN360 FGSIP-B4TFA-28	UniView IPC3635SB-ADZK-I0	UniView IPC2128SB-ADF28KMC-I0	TVT TVT-D2812-8MP-AI	IR Lab CIR-BA37NAC
Form Factor	Turret	Turret	Bullet (Active Deterrence)	Dome	Bullet
Resolution	4MP (2592x1520)	5MP (2880x1620)	8MP / 4K (3840x2160)	8MP / 4K (3840x2160)	3MP @ 20fps
Sensor	1/2.8" CMOS	1/2.7" CMOS	1/2.7" CMOS	1/2.8" CMOS	Progressive Scan CMOS
Lens	Fixed 2.8mm (F1.6)	Motorised 2.7-13.5mm (F1.2)	Fixed 2.8mm (F2.0)	Motorised 2.8-12mm (F1.6)	Fixed 3.6mm
WDR	Yes	120dB	120dB	120dB	Not specified
IR Distance	30m	40m	30m	30-50m IR / 30-40m white light	18m
Min. Illumination	0.002 Lux (F1.6)	0.002 Lux (F1.2)	0.01 Lux (F2.0)	0.02 Lux (F1.6) / 0 Lux with illumination	Not specified
IP Rating	IP67	IP67, IK10	IP67	IP67	IP66
Power	PoE / 12V DC	PoE / 12V DC	PoE / 12V DC	PoE / DC12V	PoE / 12V DC
Audio	Built-in mic	Built-in mic	Built-in mic + speaker	1CH audio input + built-in mic	Not specified
SD Card	Up to 512GB	Up to 512GB	Up to 256GB	Up to 256GB	Not specified
Compression	S+265 / H.265 / H.264	Ultra 265 / H.265 / H.264	Ultra 265 / H.265 / H.264	H.265+ / H.265 / H.264+ / H.264 / MJPEG	Dual stream
Analytics	Tripwire, perimeter intrusion (IVA)	Smart Intrusion Prevention, people counting, crowd density	Active deterrence (light + audio)	Human/Vehicle AI, SMD, line crossing, region intrusion, abandoned/missing object	ONVIF Profile S
Dimensions	Not specified	Not specified	Not specified	Ø111.6 x 99.6mm	Not specified
Weight	Not specified	700g	410g	Approx. 660g	1,080g
Manufacturer Code	Not specified	Not specified	Not specified	TD-9585S4-C	Not specified

View our product range for full model-specific data and configuration options across all brands.

---

How to Choose the Right Security Camera System for Your NZ Site

Use this decision framework when specifying a system:

1. Define coverage zones: Map each area requiring coverage and identify the required field of view, distance, and detail level (general monitoring vs. facial/plate recognition).
2. Select resolution per zone: Match resolution to the identification requirement - 2-4MP for general areas, 5MP for entry points, 8MP/4K for high-value forensic zones.
3. Choose lens type: Fixed lenses for straightforward installations; motorised for complex or adjustable coverage requirements. UniView and TVT motorised options extend to 13.5mm and 12mm respectively.
4. Confirm IP and IK ratings: All outdoor cameras should be IP66 minimum; IP67 preferred. Specify IK10 for public-facing or vandal-risk locations (UniView IPC3635SB-ADZK-I0).
5. Consider analytics requirements: For Human/Vehicle AI and abandoned object detection, specify TVT's SMD range. For active deterrence, specify UniView's Active Deterrence range. For tripwire and perimeter IVA at 4MP, the FGSIP-B4TFA-28 is a strong fixed-lens option.
6. Size the NVR: Select a channel count with 20-30% headroom for future expansion. Confirm PoE port count matches camera count.
7. Calculate storage: Estimate daily recording volume based on resolution, frame rate, and compression. H.265+ and Ultra 265 compression significantly reduce HDD requirements vs. H.264.
8. Plan cabling: PoE cameras require Cat5e or Cat6 runs up to 100m (or up to 200m with FERN360 NVR PoE ports). Plan cable routes before installation.

---

Brands Available at Essential Security Supplies NZ

Essential Security Supplies stocks a curated range of professional-grade IP camera systems from leading manufacturers trusted by NZ security installers:

• FERN360 - IP turret cameras, surveillance kits, NVRs, and junction boxes. Fixed and motorised lens options from 2MP to 5MP with Starlight low-light technology, including the FGSIP-B4TFA-28 4MP Super Starlight turret with IVA analytics and IP67 protection. View our product
• UniView - Professional IP cameras with LightHunter ultra-low-light technology, Smart Intrusion Prevention analytics, and Active Deterrence capability. Turret, dome, and bullet form factors from 4MP to 8MP. View our product
• Dahua - IP dome cameras, multi-channel security kits, and Starvis-sensor models with IVS analytics. Strong vandal-resistant options with IK10 ratings. View our product
• TVT - 4K 8MP motorised dome cameras with Human/Vehicle AI, SMD, and dual-system backup. The TVT-D2812-8MP-AI delivers 0 Lux white light capability and a DORI detect range of 277m - a strong forensic-grade option for NZ commercial sites.
• Sunell - 4MP IP minidome cameras and complete NVR surveillance kits. The 16-channel Sunell kit (Surveillance Kit 6) includes 8 cameras and 2TB storage for medium to large sites. View our product
• IR Lab - Entry-level IP bullet cameras with ONVIF Profile S compatibility. Fixed and varifocal options in 3MP with PoE power support - a reliable choice for budget-conscious installations. View our product

View our product range to browse the full selection of IP cameras, NVRs, and surveillance kits available for NZ delivery.