| Model name | ST-CH298N4CUD-F | ST-CH398N4KCB-F |
| Imaging Device | 1/3″ | |
| Effective Pixels | 4MP 2560(H)×1440 (V) | |
| Scanning System | Progressive CMOS | |
| Min. Illumination | Color 0.004lux @ F1.6(AGC ON) ; B/W 0 lux @ IR ON | |
| Focal Length (Zoom Ratio) | 2.8 mm | |
| Max. Aperture Ratio | F No. 1.6 | |
| Angular Field of View | Horizontal:96° , Vertical:52°, Diagonal: 113° | |
| Min. Object Distance | 1.8m | |
| IR LED | 1 | |
| IR Viewable Length | Up to 25m | |
| WarmLight Viewable Length | Up to 20m | |
| Wide Dynamic Range | DWDR | |
| Digital Noise Reduction | 3D DNR | |
| Image Setting | Full Color Mode/Day&Night Mode/Smart IIIumination | |
| White Balance | Auto/Manual | |
| Electronic Shutter Speed | 1/5 ~ 1/20000s | |
| On-Board Storage | Micro SD slot, up to 256GB | |
| Alarm | NA | |
| Audio | Built-in microphone | |
| Hardware Reset | Yes | |
| Smart Feature | SMD（Pedestrian&Vehicle）/Perimeter Intrusion / Line Crossing/Intrusion/Region Entrance/Region Exiting | |
| Ethernet | RJ45(10/100BASE-T) | |
| Video Compression Format | H.265/H.264 | |
| Video Quality Adjustment | 512Kbps ~ 4Mbps | |
| Protocol | TCP/IP,HTTP,DHCP,DNS,DDNS,RTP/RTSP,SMTP,NTP,HTTPS | |
| Application Programming Interface | ONVIF | |
| Operating Conditions | -35～+60°C/less than 90% RH | |
| Ingress Protection | IP67 | |
| Input Voltage/ Current | D12V/POE(IEEE802.3af) | |
| Power Consumption | DC12V ：max 5.5W；POE（48V): max 6.9W | |
| Material | Metal | |
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