The HAC-EW2501 is a 5MP HDCVI panoramic camera with a 1.4mm fisheye lens and 360° vision, ideal for comprehensive monitoring of large environments such as airports, shopping malls, or parking lots. It offers excellent video quality thanks to the 1/2.8" CMOS sensor, 120dB WDR technology, IR up to 10 meters , and a built-in microphone. Equipped with dewarping and Smart IR modes, it transmits up to 4 signals (video, audio, data, power) over a single coaxial cable, simplifying installation and improving coverage without blind spots. Dahua
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HAC-EW2501 | 5-Megapixel 360° Starlight Panoramic Camera with Built-in Microphone

The Dahua HAC-EW2501 5MP panoramic camera with a 1.4mm fisheye lens provides a 360° view, perfect for monitoring large areas such as shopping malls, airports, offices, or parking lots. Thanks to HDCVI technology, it allows simultaneous transmission of video, audio, data, and power over a single coaxial cable, simplifying installation even on existing infrastructure. Smart IR night vision up to 10 meters, 120dB WDR for clear images even in strong contrast, and a built-in microphone make this solution ideal for complete and reliable monitoring. Intelligent analytics (IVS) and dewarping modes available via XVR or mobile app correct the image distortion typical of fisheye lenses, offering advanced and customizable surveillance.
Main specifications:
- 5MP resolution (2592 × 1944) with 1/2.8" CMOS sensor
- 1.4mm fisheye lens with 360° panoramic view
- HDCVI technology: video, audio, data and power on 1 cable
- WDR 120dB for advanced contrast management
- Built-in microphone for ambient audio
- Up to 10 dewarping modes for XVR or mobile app
- CE, FCC, UL certifications – suitable for professional use
- Aluminum/plastic structure and ±30% input voltage protection
Further details
✅ Transmission of 4 signals on a single coaxial cable:

Technical data sheet
Model | HAC-EW2501 |
Room | |
Image Sensor | 1/2.8" 5MP CMOS |
Effective Pixel | 2592(H)×1944(V),5MP |
Scanning System | Progressive |
Electronic Shutter Speed |
PAL:1/4s~1/100,000s NTSC:1/3s~1/100,000s |
Min. Illumination | 0.005Lux/F2.0 (Color), 30IRE,0lux IR on |
S/N Ratio | More than 65dB |
IR Distance | 10m |
IR On/Off Control | Auto (ICR)/Color/B/W |
IR LEDs | 3 |
Lens | |
Lens Type | Fixed lens / Fixed iris |
Mount Type | Board-in |
Focal Length | 1.4mm |
Max Openings | F2.0 |
Angle of View | H: 180°, V:180° |
Close Focus Distance | 0.2m(7.87'') |
Video | |
Resolution |
5MP (2592×1944) |
Frame Rate |
20fps@5MP, 25/30fps@4MP |
Video Output |
1-channel BNC high definition video output |
Day/Night | Auto (Electronic) / Manual |
OSD Menu | Multi-language |
BLC Mode | BLC / HLC / WDR |
WDR | 120dB |
Gain Control | AGC |
Noise reduction | 2D/3D |
White balance | Auto / Manual |
Smart IR | Auto / Manual |
Interface | |
Audio | Built-in microphone |
Electrical | |
Power Supply | DC12V ±30% |
Power Consumption | 7.3W (IR ON) |
Environmental | |
Operating Conditions |
-30°C ~ +60°C (-22°F ~ +140°F) / Less than 95% RH * Start up should be done at above -30°C (-22°F) |
Storage Conditions | -30°C ~ +60°C (-22°F ~ +140°F) / Less than 95% RH |
Ingress Protection & Vandal Resistance | N/A |
Casing | Aluminum + Plastic |
Dimensions | Φ126.2mm x 40.6mm(Φ4.97"x 1.6") |
Net Weight | 0.24kg (0.53lb) |
Gross Weight | 0.42kg (0.93lb) |