eufy Security 4K PoE Bullet Camera Review (2026): A Spec-Based Look

What stands out

• 4K UHD resolution for sharp, detailed video capture.
• 122° wide-angle field of view for comprehensive coverage.
• Starlight Color Night Vision with AI-ISP processing.
• AI human detection reduces false alerts by 99%.
• IP67 weatherproof rating for rain and snow protection.

Who it fits

Key specs explained

Video Resolution: 4K UHD

This resolution provides four times the detail of standard 1080p HD. You will see sharper images, which helps in identifying faces or license plates from a distance. This level of clarity is ideal for large properties where you need to monitor wide areas without losing critical details. When shopping, compare this with 1080p models to see if the extra data storage cost is worth the visual improvement for your specific needs.

Connectivity: PoE

Power over Ethernet uses a single cable to deliver both data and electricity. This simplifies installation since you do not need separate power outlets near the camera. It ensures a stable connection that is less prone to interference than wireless signals. Choose this option if you want a reliable, continuous feed without managing battery changes or Wi-Fi dead zones in your outdoor setup.

Night Vision Type: Starlight Color Night Vision

This feature captures color video in low-light conditions without needing bright spotlights. It uses advanced image processing to enhance visibility while maintaining natural colors. This is useful for identifying clothing or vehicle colors at night. Compare this with standard black-and-white night vision to determine if color accuracy is important for your security monitoring during evening hours.

Hard Drive Capacity: 2 TB

The included 2 TB hard drive stores continuous video footage locally. This capacity allows for extended recording periods before overwriting old files. It ensures your data remains private and accessible without relying on cloud subscriptions. When comparing storage options, consider how many cameras you plan to add and how many days of history you wish to retain for review.

Placement: Outdoor, IP67

The IP67 rating means the camera is dust-tight and can withstand immersion in water. This makes it suitable for harsh weather conditions like rain, snow, or dust storms. You can install it in exposed areas without worrying about weather damage. Look for this rating when selecting outdoor cameras to ensure long-term durability against environmental elements.

Design and build overview

The eufy Security 4K PoE Bullet Camera E40 features a bullet form factor with a white and black finish. According to the listing, the unit measures 2.86 inches in width, 7.98 inches in height, and 2.89 inches in length. These dimensions create a compact profile that blends into outdoor eaves or walls without drawing attention. The sleek design helps the camera remain discreet while you monitor your property.

The camera carries an IP67 weatherproof rating. This specification means it is protected against dust ingress and powerful water jets. You can install this device in rain, snow, or direct sunlight without worrying about internal damage. The robust casing ensures reliable operation in harsh conditions year-round. The bullet shape directs the lens forward, optimizing the 122-degree wide-angle field of view for specific zones rather than omnidirectional coverage.

Setup relies on a single Power over Ethernet cable for both power and data transmission. There are no complex control panels on the device itself. You manage settings through the eufy NVR S4 or compatible app. This plug-and-play layout reduces clutter at the installation site. The clean lines and minimal external components make mounting straightforward. You simply secure the bracket and connect the cable. The design prioritizes function over form, ensuring the camera stays focused on delivering clear 4K video while withstanding outdoor elements.

Setup and everyday use guide

This camera requires an eufy NVR S4 to operate. You connect the unit via a single Power over Ethernet cable. This single cable handles both power and data transmission. The listing notes that the PoE NVR, switch, injector, and DC adapter are not included. You must source these components separately to complete the installation. The design supports plug-and-play connectivity, which simplifies the initial wiring process. Once connected, the system records continuously. The NVR includes a pre-installed 2 TB hard drive. You can upgrade this storage capacity to 16 TB if needed. The system supports up to eight channels, expandable to sixteen. You can add up to sixteen bullet or turret cameras. Alternatively, you may install up to eight bullet-PTZ cameras, which use two channels each. In daily use, the 4K UHD resolution provides sharp video. The 122-degree wide-angle field of view captures a broad area. The Starlight Color Night Vision allows you to see details in low light without a spotlight. You can activate the spotlight or HDR to prevent overexposure. The AI human detection distinguishes between people, pets, and vehicles. This reduces false alerts by ninety-nine percent. The camera also features two-way talk with AI noise reduction. This filters background noise for clear conversations. The IP67 weatherproof rating ensures the unit functions in rain, snow, and sun. Red and blue strobes activate to deter intruders when needed.

Check Compatibility And Setup Needs

Before you buy, confirm your existing infrastructure supports this system. The eufy Security 4K PoE Bullet Camera E40 requires the eufy NVR S4 to operate. You must ensure your network includes a compatible PoE switch, injector, and DC adapter, as these are not included. Verify that your current cabling can handle Power over Ethernet for both data and power transmission. This setup allows for continuous 24/7 recording, which is essential for comprehensive security coverage. Check the expandability options if you plan to add more cameras later. The system supports up to 16 channels, allowing you to integrate additional bullet or turret cameras. Consider the indoor or outdoor placement, as the IP67 rating ensures protection against rain, snow, and sun. Regularly inspect the lens and housing for debris to maintain the 122° wide-angle field of view. Ensure your network bandwidth can support 4K UHD streams without lag. This camera fits well into a larger eufy ecosystem, offering scalable security for 1 properties.

Check before you buy

• Confirm you have the eufy NVR S4 to operate this camera.
• Verify your network includes a PoE switch, injector, and DC adapter.
• Ensure your cabling supports Power over Ethernet for power and data.
• Check if you need additional bullet or turret cameras for expansion.

The product at a glance

1

eufy Security 4K PoE Bullet Camera

Best for: expanding existing eufy NVR S4 setups

Video Resolution

4K UHD

Power Source

PoE

Connectivity

PoE

Channels

8 CH to 16 CH

Hard Drive Capacity

2TB

Placement

IP67

View on Amazon: eufy Security 4K PoE Bullet Camera Affiliate link

This is a single 4K UHD bullet add-on camera for the eufy NVR S4. It features a 122° wide-angle field of view and Starlight Color Night Vision. You get AI human detection and two-way talk with noise reduction. The unit is IP67 weatherproof and uses a single PoE cable for power and data. It includes a pre-installed 2 TB hard drive for continuous recording.

Pros

• 4K UHD resolution with 122° wide-angle field of view
• Starlight Color Night Vision without needing a spotlight
• AI human detection reduces false alerts by 99%
• Includes pre-installed 2 TB HDD for 24/7 recording
• IP67 weatherproof rating for outdoor durability

Cons

• Requires eufy NVR S4 to operate; not standalone
• Sold as a single add-on camera only
• PoE switch, injector, and DC adapter not included

Good fit if

• You already own an eufy NVR S4 system
• You need high-resolution 4K video for detail
• You want to expand your existing camera count

Skip if

• You need a standalone camera without an NVR
• You want a complete kit with all power accessories
• You prefer wireless Wi-Fi connectivity over PoE

Verdict: eufy Security E40 4K PoE Bullet Camera is a sharp expansion option for existing NVR S4 owners who need high-detail 4K coverage. It fits users adding a single durable outdoor camera to a wired system.

Specifications side by side

Frequently asked questions

See also

• eufy security poe bullet camera e40 alternatives
• best eufy security security camera systems under 300
• eufy security 4k poe bullet camera review
• eufy security video smart lock e40 review