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Unlike traditional cameras that use a front-illuminated Complementary Metal Oxide Semiconductor (CMOS) sensor, Huawei X23 Series Softlight ITS Bullet Cameras benefit from a back-illuminated CMOS, greatly increasing the amount of light reaching the image plane and improving image quality.
Available in two models — the 3 megapixel, 2048 x 1536 resolution X2331-EPL, and the 9 megapixel, 4096 x 2160 X2391-EPL — both featuring an 11-40 mm motorized zoom lens, both cameras are also equipped with Precise-Iris (P-Iris), built-in Global Positioning System (GPS), BeiDou Navigation Satellite System (BDS), and time calibration modules.
The cameras are designed to be deployed at vehicle checkpoints with an optimal throw range of 30 meters for license plate recognition. Embedded polarizers allow the cameras to deliver clear images during day and night.
With built-in Neural Processing Units (NPUs) greatly improving the performance of deep-learning algorithms, the cameras can intelligently recognize license plates, vehicle types, models, and colors. The NPUs also support recognition of traffic violations, including driving the wrong way, running red lights, not following lane markings, speeding, and driving too slowly.
| Model | X2331-EPL | X2391-EPL |
| Image Sensor | 1/1.8 inch 3 megapixel GS CMOS | 1 inch 9 megapixel GS CMOS |
| Maximum Resolution | 2048 (H) x 1536 (V) | 4096 (H) x 2160 (V) |
| Minimum Illumination | Color: 0.0005 lx @ (F1.2, AGC ON) Black/white: 0.0001 lx @ (F1.2, AGC ON) |
Color: 0.0005 lx @ (F1.2, AGC ON) Black/white: 0.0001 lx @ (F1.2, AGC ON) |
| Focal Length |
Motorized zoom, 11–40 mm | Motorized zoom, 11–40 mm |
| Light Compensation Mode | 30 m white-light LED illuminator | 30 m white-light LED illuminator |
| Wide Dyanmic Range | 120 dB | 120 dB |
| Intelligent Analysis | License plate recognition: recognition of license plates for new-energy vehicles and unlicensed vehicles. Vehicle recognition: vehicle model, type, and color recognition. ePolice functions: detects wrong-way driving, red-light-running, not following lane markings, speeding/driving too slowly, and license plate policy violation. Checkpoint functions: secondary vehicle feature recognition, and driver face capture (flash required). |
License plate recognition: recognition of license plates for new-energy vehicles and unlicensed vehicles. Vehicle recognition: vehicle model, type, and color recognition. ePolice functions: detects wrong-way driving, red-light-running, not following lane markings, speeding/driving too slowly, and license plate policy violation. Checkpoint functions: secondary vehicle feature recognition, and driver face capture (flash required). |
| Power Supply | 220 V AC/110 V AC | 220 V AC/110 V AC |
| Operating Temperature | –40°C to +60°C | –40°C to +60°C |
| Surge Protection Rating | 6 kV | 6 kV |
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