VIVOTEK’s new outdoor bullet network camera, the IB9391-EHT, features a 4K ultra HD sensor that delivers 3840×2160 resolution at 30 fps. It can handle high contrast environments with VIVOTEK WDR Pro technology. IB9391-EHT uses Smart Motion Detection to reduce false alarms.


The camera also supports 1920×1080 HD resolution at 120 frames per second for capturing fast moving objects. Moreover, it uses VIVOTEK’s Smart Stream III technology and H.265 compression codec to reduce bandwidth by more than 90% while maintaining excellent image quality. The camera is protected by IP67, IK10 and NEMA 4X certified housing that can withstand temperatures from -50°C to 60°C.




Multimedia SoC (System-on-Chip)


128 MB


1 GB

Image Sensor

1/2.7" Progressive CMOS

Max. Resolution

3840×2160 (8MP)

Lens Type

Motorized, Vari-focal, Remote Focus

Focal Length

f = 3.9 ~ 10 mm

Iris Type


Field of View

95° ~ 45° (Horizontal)
52° ~ 25° (Vertical)
111° ~ 52° (Diagonal)

Shutter Time

1/5 sec. to 1/32,000 sec.

WDR Technology




Removable IR-cut Filter


IR Illuminators

Built-in IR illuminators, effective up to 50 meters with Smart IR II, IR LED*5

Minimum Illumination

0.02 lux @ F1.5 (Color)
0.01 lux @ F1.5 (B/W)
0 lux with IR illumination on

Video Compression

H.265, H.264, MJPEG

Maximum Frame Rate

30 fps @ 3840×2160
120 fps @ 1920×1080

Maximum Streams

3 video streams* (Up to 8 configurable profiles)
* Stream 1: 2560×1920
* Stream 2: 1280×960, 800×600, 640×480
* Stream 3: 800×600, 640×480

Audio Capability

Two-Way Audio (full duplex)

Audio Compression

G.711, G.726

Audio Interface

External microphone input
External line output

Smart Motion Detection

Five-window video motion detection, human detection, time filter
(Without bounding box)

Operating Temperature

Starting Temperature:
-40°C ~ 60°C (-40°F ~ 140°F)
Working Temperature:
-50°C ~ 60°C (-58°F ~ 140°F) (IR off)
-50°C ~ 50°C (-58°F ~ 122°F) (IR on)


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