W4 Pro 3MP Whole-Home Mesh WiFi Security System +2TB Hard Drive Zosi
W4 Pro 3MP Whole-Home Mesh WiFi Security System +2TB Hard Drive Zosi
W4 Pro 3MP Whole-Home Mesh WiFi Security System +2TB Hard Drive Zosi
W4 Pro 3MP Whole-Home Mesh WiFi Security System +2TB Hard Drive Zosi

W4 Pro 3MP Whole-Home Mesh WiFi Security System +2TB Hard Drive

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$329.99 $177.99 SAVE $152.00

• 3MP Super HD: See and record precious moments in remarkable clarity.

• Motion Alerts: Alerts you instantly when the cam spots something unusual.

• Quickly Remote Access: You can remote live views and playback by ZOSI smart app.

• Better WiFi Connection: 2.4GHz WiFi make you have stronger & more stable signals.

• Note: The cameras and the NVR require the power connection. They are not Battery Cameras.

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Cameras: 4


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  • AI Human Detection

  • Light & Siren Alarm

  • Mesh WiFi

  • 2-Way Audio

Upgraded Mesh WiFi System

Boast cascading and wall-penetration algorithm, W4 Pro provides higher performance for long-distance and reliable WiFi connection. So you can feel free to use the cameras to cover your most distant property.

  • 2.4 GHz WiFi

  • No Messy Cabling

  • Up to 3000ft WiFi Range (in Open Areas)

Highly Integrated WiFi Chip

Designed for WiFi security system, this WiFi module ensures robust and stable WiFi connectivity. Auto cascading technology offers longer WiFi range and ability to penetrate walls or other barriers.

Auto-Pair, True Plug & Play

Power on the whole system, and all the cameras will pair with NVR automatically via 2.4 GHz WiFi. Easy-to-install plug and play wireless security camera system.


Sharp & Clear in 3MP Super HD

With resolution of 2304x1296 (3 megapixels), plus advanced 3D-DNR technology reduces noise levels, the wireless home security camera system capture clear and smooth videos in subtle details.

Enhanced Night Vision

With 3 megapixels CMOS sensor and 3D-DNR technology, this camera sees and records clear image up to 50ft in the dark.

Detects Humans, Ignores Distractions

Based on advanced AI human detection algorithm, W4 Pro can distinguish people from other motions, and thus effectively reduces “false positives” on trivial objects’ movements.

Smart & Active Deterrence

The camera detects human, and activates spotlights and siren alerts to warn off would-be criminals. The most vigilant guard defend your property 24/7.

See, Hear and Talk over the Camera

Without even leaving your seat, you can watch live view from your smartphone, and use two-way audio to respond to guests or warn off the unwanted from anywhere.

  • Microphone

  • Speaker

H.265+ & AVBR Video Compression

H.265+ plus AVBR video compression algorithm saves more than 70% bandwidth and storage compared with H.264 standard. Enjoy sharper and smoother viewing without latency.

H.265+ & AVBR


Required Storage Space & Bandwidth





Simple HDD Installation

No need to remove the top cover and connect all the wires, a sliding cover design make it easy to slot the hard drive into your NVR.

① Open the sliding cover

② Insert the HDD into NVR

③ Screw the HDD from the back

④ Close the sliding cover

NOTE: This kit has a built-in HDD. If you need to replace it, please select a 3.5-inch hard drive with a thickness of no more than 2cm.

Continuous 24/7 Recording and Playback

With total storage expandable up to 8TB, W4 Pro security camera system supports 24/7 non-stop recording of up to 8 cameras at the same time.

  • Up to 8TB HDD via SATA

Local and Remote Viewing For local access

Connect the camera system to a monitor or an HD TV.

For remote access

Free ZOSI Smart App on mobile devices.
Free ZOSI AVSS client on PC/Mac.

  • Zosi Smart

  • Zosi Smart


Use ZOSI Smart App and AVSS Client to Access Cameras

1.Download and install free Zosi software on your device

2.Open to add cameras

3.Click the camera to get Live View

More Accurate Person Recognition

AI-based system distinguishes people from other distractions, thus, you will only get notified about things that matter - not bombarded with false notifications.

  • IP66 Weatherproof

  • Vandalproof Exterior


  • Apps & Client

  • Manuals / Downloads

  • Tutorial Videos

  • Articles


  • How does Mesh network work in W4 Pro NVR system?

    Integrated with a Mesh network solution, each camera operates as a relay point for other cameras within the system and connects in a series. This approach allows the cameras to transmit a powerful Wi-Fi signal, as they depend on connecting to other cameras rather than relying solely on one-to-one communication with the NVR. Compared with traditional nework, it perform outstanding wifi connection, allows the network to cover a range of up to 3000ft if there are no obstructions.

  • Do I need to buy a Mesh WiFi router to use this NVR system?

    No,you don't need a Mesh Wifi router with make the NVR system work.

  • Do I need to setup the wifi connection for each camera manually?

    No, the NVR system is automatically paired at the factory setting, so there is no need for any additional pairing manually. Simply plug in the cameras and connect an ethernet cable from the NVR to the router, and all the cameras will be paired with the NVR automatically.

  • Do I need a subscription to use the NVR system?

    No, you don't need subscription and any extra fees to use the camera, including all the functions like live view, playback, and motion detection alerts.

  • Does ZOSI W4 Pro support 5GHz WiFi?

    No, the W4 Pro does not support 5GHz WiFi. It supports 2.4GHz networks.

  • Can I view the camera on desktop computers such as TV, PC, and Mac ?

    Yes! Simply connect the NVR to your desktop computer with a HDMI cable(Package included).

  • Can I view or control the camera from another location?

    Yes, you can view and control your camera remotely on ZOSI Smart App, as long as it has power and both your camera and phone have access to the internet.

  • Does W4 Pro NVR system allow 24/7 recording?

    Yes, with the preinstalled 2TB Hard Drive, the W4 Pro NVR system support 24/7 recording. Besides,it also support motion triggered recording and scheduled recording.

  • Does the camera record audio? Can I turn off audio recording?

    Yes,this security camera support both video and audio recording.And you can also turn off the audio recording of each camera separately on your ZOSI Smart App/AVSS client.

  • How does the siren and warning light work?

    You can decide when and where to activate the siren and warning light, by customizing the detection zone and time period. And you can also turn on/off the light and siren individually and together manually.

  • Can the light activated only, siren activated only, or both activated?

    Yes! You can have light activated only, siren activated only, or both activated/deactivated, all can be operated on your ZOSI Smart App/AVSS client.

  • How many cameras can I add to this NVR system?

    The W4 Pro NVR system come with an 8 Channel NVR, you can add up to 8 cameras to the NVR system.