
Uniview EC-B4F28M-V3 4MP 2.8mm IR Mini Bullet IP Camera
$179.69
Cover a broad outdoor view with a compact 4MP bullet camera, 30 m infrared illumination and a built-in microphone.
- 4MP video at up to 25 fps
- 101.5-degree wide horizontal view
- 30 m infrared night coverage
- Built-in microphone
- 512 GB microSD support
Storage & Access
Up to 512GB MicroSD
Access Anywhere

ONVIF Compatible
Resolution
Higher resolution records more pixels in each frame, which gives you more detail to work with when reviewing faces, vehicles, packages, and activity.
Resolution labels describe output dimensions. Aspect ratio, lens quality, sensor quality, lighting, compression, and recorder settings also affect usable image detail.
Night Vision
Night-vision technologies solve different problems. Compare the same scene below; this product's supported modes are highlighted.
On this product
IR Night Vision
Black-and-white visibility without visible light, ideal for discreet overnight monitoring.
Dual Light
Uses IR normally, then activates a spotlight for full-color detail when it matters.
Color Night Vision
Retains useful color from ambient light without requiring a visible spotlight.
Ultra Color Night Vision
Advanced low-light processing preserves the clearest color and background detail in very dark scenes.
The examples explain relative viewing modes. Actual brightness, color, and range depend on the camera, placement, and available ambient light.
Night Viewing Range
The bird's-eye property guide shows how the camera's listed nighttime range extends outward from its mounting point.
"Up to" is the manufacturer-listed maximum viewing or illumination distance. Recognizable detail may be shorter and varies with lighting, night-vision mode, weather, placement, lens settings, and obstructions.
Frame Rate
Frame rate measures how many images a camera records each second. Higher FPS makes fast movement appear smoother and easier to follow.
The highlighted lane shows this product's maximum listed frame rate. Actual FPS can vary by resolution, recording mode, recorder, and system settings.
Description
The EC-B4F28M-V3 combines a 2.8 mm fixed lens and 101.5-degree horizontal view in a 166 mm-long bullet housing. Its 2560 x 1440 stream reaches 25 fps, while 120 dB WDR helps retain detail where bright backgrounds meet shaded areas.
Infrared illumination reaches up to 30 m, and human-based line-crossing and intrusion detection provide more focused event monitoring. A built-in microphone adds sound to the scene. PoE or 12 V DC power, IP67 protection and microSD support up to 512 GB give installers practical options for cabling and local recording.
Key Features
- 4MP video: 2560 x 1440, up to 25 fps
- Lens: 2.8 mm, fixed focal length
- Horizontal field of view: 101.5 degrees
- Sensor: 1/2.9" CMOS
- Wide dynamic range: 120 dB
- Infrared illumination: up to 30 m
- Encoding: Ultra 265, H.265, H.264, MJPEG
- Built-in microphone
- No built-in speaker
- MicroSD storage: up to 512 GB
- ONVIF (Profile S, Profile G, Profile T)
- Network: 10/100 Mbps RJ45 Ethernet
- Power: 12 V DC or IEEE 802.3af PoE
- Protection: IP67
- Body dimensions: 166 x 63 x 62 mm (length x width x height)
- Camera weight: 0.39 kg
Full Specifications
- Megapixels:
- 4
- Resolution:
- 1440p
- Field of View:
- 101.5°
- FPS:
- 25
- WDR:
- 120 dB
- Sensor:
- 1/2.9"
- Lens Type:
- Fixed
- Night Vision:
- IR
- Night Viewing Range:
- 98ft
- Smart Features:
- Human Body Detection, Intrusion Detection, Line Crossing Detection, Motion Detection, Tampering Alarm
- Audio Features:
- Audio Capture
- Video Encoding Format:
- Ultra 265, H.265, H.264, MJPEG
- Max SD Storage:
- 512GB
- Storage Type:
- SD Card
- Connection Type:
- Wired
- ONVIF Compatible:
- Yes
- Wired Connection Type:
- IP
- Waterproof Rating:
- IP67
- Weight:
- 0.860 lbs
- Dimensions:
- 6.54 × 2.48 × 2.44 in
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