Hikvision 4 x 6MP Strobe Light, Two-way Audio, Alarm Cameras & 4 Channel NVR CCTV Kit: 4 x ColorVu Turret Cameras + 4CH NVR Bundle

Model: DS-4CSA6MP4CH-NOHDD

Who This Is For

For property owners and small business operators who need active deterrence built into the camera system rather than added on as a separate device, this kit delivers it out of the box. The Hikvision 6MP Strobe Light and Two-Way Audio CCTV Kit pairs 4 ColorVu turret cameras - each with a built-in strobe, speaker, and microphone - with a 4-channel PoE NVR, giving installers a complete, wired solution ready to deploy across homes, retail fronts, warehouses, childcare facilities, or small commercial yards. The 2.8mm lens suits close-to-mid-range coverage at entry points, driveways, and perimeter gates. AcuSense classification filters human and vehicle events from background movement, so alerts carry weight rather than becoming noise. If the priority is a camera that records and actively responds - flashing lights, audio warnings, two-way voice - this kit is built around that use case from the ground up.

What This System Actually Does

Who Buys This Model

• Retail and Hospitality Operators: Small shops, cafes, and service businesses covering entry points, car parks, and outdoor seating areas where the strobe and audio alarm act as an immediate on-site deterrent without requiring staff intervention.
• Residential Property Owners with Driveways and Gates: Homeowners wanting full-colour night footage and the ability to speak to visitors or warn off trespassers directly from their phone via the built-in two-way audio.
• Childcare and Education Facilities: Sites needing clear 6MP colour footage at entry and perimeter points, with AcuSense reducing nuisance alerts during high-activity periods while still flagging genuine after-hours intrusions.
• Light Industrial and Warehouse Sites: Operators covering loading docks, yard gates, and vehicle access points who want active deterrence on detection rather than passive recording alone, without running a separate alarm system.
• Security Installers Quoting Turnkey Small-Site Solutions: Professionals who need a complete, matched kit - cameras, NVR, and PoE in one bundle - to quote and commission a 4-camera site with minimal component sourcing.

Honest Assessment

This kit does three things well simultaneously: it records in full colour around the clock, classifies detections accurately enough to reduce false alerts substantially, and responds actively with strobe and audio when a genuine event is detected. The 2.8mm lens gives a 102-degree horizontal field of view, which suits most entry-point and perimeter applications. H.265+ compression keeps storage requirements manageable even at 6MP across 4 channels. The NVR's built-in PoE ports remove the need for a separate switch on a 4-camera install, which simplifies both the quote and the cable run. What this kit will not do: the 2.8mm fixed lens cannot be changed for longer approaches where more optical reach is needed - a varifocal or bullet-style camera would serve better there. The NVR ships without a hard drive, so storage must be budgeted and sourced separately. Sites requiring more than 4 cameras will need a larger NVR. The full range of compatible add-on cameras and storage options is available through Security Australia.

Complete Package Contents

• 4 x DS-2CD2367G2H-LISU-SL - 6MP ColorVu AcuSense Turret Camera, 2.8mm fixed lens, strobe light, built-in speaker and microphone, audio/alarm I/O, IP67, IR 30m
• 1 x DS-7604NI-I1/4P - 4 Channel PoE NVR, 4 x PoE inputs, supports up to 8MP, 4-channel synchronous playback, no hard drive included

Before You Buy

Quick Fit Check

• Good match if: You are covering up to 4 camera positions on a residential or small commercial site and want active deterrence - strobe and audio alarm - triggered automatically on human or vehicle detection without installing a separate alarm system.
• Good match if: Full-colour night vision is a priority and the camera positions are within 20-30 metres of the mounting point, where the 2.8mm wide-angle lens and ColorVu technology will provide detailed, colour-accurate footage through the night.
• You may need a different model if: Your site has long approach distances of 40 metres or more where identification detail is needed - a kit built around varifocal or bullet-style cameras with extended IR or optical zoom range would serve that application better.

Key Features & Technical Specifications

Real-World Scenarios

How It Compares

• Choose this if: You need active deterrence - strobe light and audio alarm triggered automatically on human or vehicle detection - combined with full-colour night vision and two-way audio, all included in a matched 4-camera PoE kit ready to commission.
• You may need a different model if: The site has long approaches of 40+ metres or narrow corridors where a varifocal lens is needed to reach adequate detail - a kit built around bullet cameras with motorised zoom lenses would cover those positions more effectively.
• Pairs well with: A surveillance-grade 3.5-inch SATA hard drive sized to your target retention period, and a PoE network switch if you later expand beyond the 4 built-in NVR ports.

Common Questions

1. Does the strobe and alarm activate automatically, or does someone have to trigger it manually?

   It activates automatically. Once detection rules are configured on the camera, the strobe light and audio alarm trigger on their own when a human or vehicle is detected within the defined zone - no manual input or monitoring required. The rules are set during installation via the camera's interface or the NVR menu, and from that point the camera manages deterrence responses independently.

2. Will this kit work without an internet connection?

   Yes, for local recording. The NVR records continuously to a fitted hard drive regardless of internet connectivity. Remote access via the Hik-Connect app, push notifications, and two-way audio from a remote location do require an active internet connection at the NVR's network. Local live view and playback at the NVR remain available on-site without internet.

3. Does this system include a hard drive?

   No. The DS-7604NI-I1/4P NVR is supplied without a hard drive. The NVR supports up to 2 x 3.5-inch SATA HDDs. For 4 cameras recording at 6MP with H.265+ compression, a 2TB to 4TB surveillance-grade drive is a practical starting point depending on your required retention period. Hard drives are available separately through Security Australia.

4. Does the two-way audio work on the mobile app?

   Yes. Each DS-2CD2367G2H-LISU-SL camera has both a built-in speaker and a built-in microphone confirmed, making full two-way audio communication possible. Through the Hik-Connect app you can listen to audio at the camera location and speak back through the camera's speaker from anywhere with an internet connection - useful for delivery instructions or on-site warnings.

5. Will the cameras produce colour footage at night or does it switch to black and white?

   Full colour throughout the night. The ColorVu Smart Hybrid Light technology on these cameras is designed to maintain full-colour video output in very low light conditions where conventional cameras switch to greyscale IR mode. Clothing colour, vehicle colour, and scene detail remain visible in the recording rather than appearing as a monochrome image.

6. How does AcuSense reduce false alarms compared to standard motion detection?

   AcuSense processes video using deep learning at the camera to classify whether detected motion is caused by a human or a vehicle before generating an alert. Standard pixel-based motion detection triggers on any movement in frame - insects, headlight reflections, foliage. AcuSense filters those out and only sends a notification when the classification result is a person or a vehicle, which significantly reduces the volume of irrelevant alerts reaching your phone overnight.

7. Can I add more cameras to this system later?

   Not on this NVR. The DS-7604NI-I1/4P is a 4-channel NVR with 4 PoE ports - all channels will be occupied by the 4 included cameras. If site growth is anticipated, a larger NVR with 8 or 16 channels should be planned from the outset. The cameras in this kit are compatible with larger Hikvision NVRs, so the cameras themselves can be carried across to a higher-channel recorder if the system is upgraded.

8. What cable is needed to connect the cameras to the NVR?

   Cat5e or Cat6 Ethernet cable. Each camera connects to one of the NVR's built-in PoE ports via a single run of Cat5e or Cat6 - the same cable carries both the network signal and the power supply to the camera. No separate power cabling is needed at each camera position. Maximum recommended cable run per camera is 100 metres for standard PoE performance.

Cabling Considerations

• Cable Type: Cat5e or Cat6 Ethernet cable (unshielded acceptable for most residential and small commercial installs; shielded Cat6 recommended near electrical interference sources).
• Max Cable Run: 100 metres per camera run from NVR PoE port to camera.
• PoE Notes: All 4 PoE ports are built into the DS-7604NI-I1/4P NVR - no external PoE switch is required for the 4 included cameras. Standard PoE (IEEE 802.3af/at) is supported.
• Audio Wiring: The cameras include audio and alarm I/O terminals. If connecting external alarm inputs or audio sources, refer to the camera's quick start guide for terminal block pinout before sealing the cable entry.

Downloads & Resources

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