Product SKU:0200121-U-4K

4K Camera RJ45 and Tracking option
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EJX 1700


4K Ultra HD

4K ultra high definition, provides up to 4K@30fps/25fps image coding output, and downwards compatibility with 1080p, 720p resolution, etc.Intelligent teaching tracking.Built-in leading image recognition and tracking algorithm, achieve smooth and natural tracking effect.Different lenses are assembled before production, so as to achieve teacher tracking or student tracking.



Local storage

Support U disk local storage, local recording directly without NVR.AF (Auto Focus)Lens Customized auto focus lens without distortion and viewing angle is optional 46°/84°/ 120°. At the same time, it supports EPTZ to make it more biger and visible.(120° viewing angle does not support AF).Built-in microphone array picks up sound up to 9 meters equally from all directions.Unique nosie reduction algorithm can present your voice accurately.

EJX 1700 Rear

Low Lighting

High quality CMOS sensor and 2D/3D noise reduction can reduce image noise.The Image is still clear and sharp even in low light enviroment, and the SNR is high more than 55dB.Support WiFi (optional)WiFi function provides network connections in wireless environments.The cable network supports PoE,power supply, control, video and audio can be transmited by only one network cable.


EJX 1700 01

Model C121-US-4K-HDMI C121-US-4K-USB
Sensor 1/2.5'', CMOS, Effective Pixel: 8.29M 1/2.5'', CMOS, Effective Pixel: 8.29M
Scanning Mode Progressive Progressive
Lens Mount M12 M12

Lens 2 (Default)

Focus: f=2.8mm, FOV: 120° /
Minimal Illumination
0.5 Lux @ (F1.8, AGC ON)
0.5 Lux @ (F1.8, AGC ON)
1/30s ~ 1/10000s
1/30s ~ 1/10000s
White Balance
Auto, Indoor, Outdoor, One Push, Manual,
Auto, Indoor, Outdoor, One Push, Manual
Digital Noise Reduction
2D, 3D digital noise reduction
2D, 3D digital noise reduction
Camera bracket
bracket with damper
bracket with damper
Backlight Compensation
USB Features    
Operate System

Windows® 7 (Only supply1080p or lower), Windows 8.1, Windows 10 or
macOS™ 10.10 or higher
Linux ( only support UVC)


Hardware Requirement

2.4 GHz Intel® Core 2 Duo processor or higher
2 GB RAM or more
USB 2.0 port (USB 3.0 required for 4K)

Color System / Compression

H.264 / MJPEG/YUY2/NV12
Video Format 4k@30fps/25fps, 1080p@30fps/25fps, 720p@30fps/25fps, 960x540p@30fps/25fps, 640x360p@30fps/25fps etc

USB Video

UVC 1.1
General specification
Input Voltage
5V (USB power supply)
5V (USB power supply)
Current Consumption
Operating Temperature
-10°C ~ 40°C (14°F ~ 104°F), 95%RH
-10°C ~ 40°C (14°F ~ 104°F), 95%RH
Storage Temperature
-40°C ~ 60°C (-40°F ~ 140°F), 95%RH
-40°C ~ 60°C (-40°F ~ 140°F), 95%RH
Power Consumption
3W (Max)
194mm x 34mm x 42mm (without bracket)
194mm x 34mm x 42mm (without bracket)
Net Weight


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