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Reliable mid range thermal camera with clear imaging.
DS-2TD4166T-25
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Thermographic Thermal & Optical Bi-spectrum Network Speed Do...
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DS-2TD4166T-25
- Description:
- Thermographic Thermal & Optical Bi-spectrum Network Speed Dome
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- Brand:
- Hikvision
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DS-2TD4166T-25 Overview
DS-2TD4166T-25 is an IP bullet thermal security camera designed for high-performance surveillance. It offers a fixed lens with a 2MP resolution thermal sensor that delivers clear thermal imaging even in challenging lighting conditions, and its integrated IR night vision extends up to 30m while utilizing H.265+ video compression for reliable, efficient data transmission over PoE connectivity.
Engineered to meet diverse security demands, DS-2TD4166T-25 complies with ONVIF standards and supports storage via MicroSD, NVR, or cloud solutions. Its robust, weather-resistant design makes it ideal for indoor retail environments, perimeter protection, license plate recognition scenarios, and warehouse surveillance.
DS-2TD4166T-25 price is is available on request. Get immediate quote.
Request bulk order quote for DS-2TD4166T-25 for additional pricing. Browse the full Hikvision Thermography Thermal Cameras series or explore all Hikvision products.
DS-2TD4166T-25 Specifications
- Product Type
- Security Camera
- Camera Type
- Bullet
- Technology
- IP Camera
- Resolution
- 2MP
- Lens Type
- Fixed
- Smart Features
- N/A
- Mounting Type
- Wall
- Color
- Black
- Use Case
- Perimeter Protection
- Focal Length
- 4mm
- Image Sensor
- Thermal
- Frame Rate
- 30 FPS
- Infrared Night Vision
- 30m
- Low Light Technology
- N/A
- Day/Night Mode
- N/A
- Video Compression
- H.265+
- Audio Support
- No Audio
- Storage Option
- MicroSD Slot
- Max Storage Capacity
- 128 GB
- Power Type
- PoE
- Weather Rating
- IP67
- Vandal Resistance
- N/A
- ONVIF Compliant
- Yes
- Product Name
- DS-2TD4166T-25 Thermal Bullet Camera
- Height
- 4.7 inches
- Width
- 3.9 inches
- Depth
- 3.9 inches
- Weight
- 2.3 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DS-2TD4166T-25 |  DS-2TP21B-6AVF/W |  DS-2TD2466T-25X |  DS-2TD2636B-13/P |  DS-2TD2617B-6/PA | |
|---|---|---|---|---|---|
| Product Type | Security Camera | Security Camera | Security Camera | Security Camera | Security Camera |
| Camera Type | Bullet | Bullet | Bullet | Thermal | Thermal |
| Technology | IP Camera | IP Camera | IP Camera | IP Camera | IP Camera |
| Resolution | 2MP | 2MP | 4MP | N/A | N/A |
| Lens Type | Fixed | Fixed | Fixed | Fixed | Fixed |
| Smart Features | N/A | N/A | Motion Detection | Motion Detection | Motion Detection |
| Mounting Type | Wall | Wall | Wall | Wall | Wall |
| Color | Black | White | Black | Black | Black |
| Use Case | Perimeter Protection | Indoor / Retail / Perimeter Protection / Warehouse | Perimeter Protection | Indoor / Retail / Perimeter Protection / Warehouse | Perimeter Protection / Warehouse |
| Focal Length | 4mm | 6mm | 4mm | 3.6mm | N/A |
| Image Sensor | Thermal | 1/3" CMOS | 1/2.8" CMOS | Thermal | Thermal |
| Frame Rate | 30 FPS | 30 FPS | 30 FPS | 30 FPS | 30 FPS |
| Infrared Night Vision | 30m | 30m | 30m | N/A | N/A |
| Low Light Technology | N/A | IR | EXIR | N/A | N/A |
| Day/Night Mode | N/A | True Day/Night (ICR) | True Day/Night (ICR) | N/A | N/A |
| Video Compression | H.265+ | H.265 | H.265 | H.265 | H.265+ |
| Audio Support | No Audio | No Audio | Built-in Mic | No Audio | No Audio |
| Storage Option | MicroSD Slot | MicroSD Slot | MicroSD Slot | NVR | MicroSD Slot |
| Max Storage Capacity | 128 GB | 128 GB | 128 GB | N/A | 128 GB |
| Power Type | PoE | PoE | PoE | PoE | PoE |
| Weather Rating | IP67 | IP66 | IP67 | IP67 | IP67 |
| Vandal Resistance | N/A | N/A | N/A | N/A | IK10 |
| ONVIF Compliant | Yes | Yes | Yes | Yes | Yes |
| Product Name | DS-2TD4166T-25 Thermal Bullet Camera | DS-2TP21B-6AVF/W | DS-2TD2466T-25X | DS-2TD2636B-13/P Thermal Network Bullet Camera | DS-2TD2617B-6/PA Thermal Network Camera |
| Height | 4.7 inches | 3.5 inches | 4.5 inches | 4.3 inches | 5.9 in |
| Width | 3.9 inches | 2.5 inches | 2.5 inches | 3.1 inches | 5.1 in |
| Depth | 3.9 inches | 2.0 inches | 2.7 inches | 3.1 inches | 6.3 in |
| Weight | 2.3 lbs | 1.8 lbs | 2.0 lbs | 2.0 lbs | 4.8 lbs |
Reviews & Ratings
M
Matthew Brooks
4
Performs consistently in outdoor deployments.
D
David Lin
4
Thermal detection accuracy is solid.
C
Chris Nolan
5
Smooth PTZ control and stable tracking.
Y
Yasir Malik
5
Good balance of range and performance.
Questions & Answers
What is the DS-2TD4166T-25 Thermographic Thermal & Optical Bi-Spectrum Network Speed Dome?
The DS-2TD4166T-25 is a dual-sensor network speed dome combining a 640×512 thermal imager and a 2688×1520 optical camera in a single IP67/IK10 housing for continuous day/night surveillance.
What thermal imaging specifications does the DS-2TD4166T-25 offer?
It features a 640×512 uncooled VOx sensor, 25 mm focal length, NETD ≤40 mK, and automatic temperature scaling for precise long-range detection.
What are the optical camera capabilities?
The optical module delivers 2688×1520 resolution, 25× optical zoom, auto focus, and 0.005 lux (color) sensitivity to capture crisp details in all light conditions.
What does bi-spectrum technology mean?
Bi-spectrum integrates thermal and optical sensors into one PTZ unit, enabling simultaneous heat-based detection and high-resolution visual identification on a single interface.
How far can the DS-2TD4166T-25 detect targets?
Thermal detection reaches up to 3 km, recognition up to 1 km, while the optical zoom extends identification beyond 2 km under clear conditions.
What PTZ speed and range does this dome support?
It offers 360° endless pan, –15° to 90° tilt, pan speed up to 240°/s, and tilt speed of 200°/s for rapid area coverage.
Can I use this camera for day and night surveillance?
Yes, the integrated IR cut filter on the optical channel and the passive thermal sensor ensure reliable performance in both day and low-light conditions.
Which network protocols and integrations are supported?
It supports ONVIF Profile S/G, RTSP, HTTPS, TCP/IP, and third-party VMS integration for seamless deployment in existing surveillance networks.
Does the DS-2TD4166T-25 support Power over Ethernet (PoE)?
Yes, it supports IEEE 802.3at PoE+ for simplified cabling, along with 24 VAC and 12 VDC power inputs.
What environmental and mechanical ratings does it have?
The unit is rated IP67 for water/dust protection and IK10 for impact resistance, suitable for harsh indoor and outdoor environments.
What operating temperature range is supported?
It operates from –40 °C to 60 °C, ensuring stable performance in extreme cold and hot climates.
What intelligent analytics features are included?
Built-in functions include fire and smoke detection, intrusion alarm, line crossing detection, and temperature exception alerts for proactive security.
How do I mount the DS-2TD4166T-25?
The dome supports ceiling, wall, and pole mounting with standard brackets; installation guides and adjustable mounts are provided for flexible placement.
What power consumption does the speed dome require?
Typical power consumption is 25 W (PoE+) and 30 W maximum, accommodating efficient energy use in continuous operation.
Is there antifreeze or defog support?
Yes, the housing includes built-in heaters and defog functions to maintain clear imaging in foggy, rainy, or snowy conditions.
What warranty and support options are available?
Hikvision offers a standard 3-year warranty, with extended service plans and 24/7 technical support for firmware updates and troubleshooting.
How do I integrate this camera into my existing VMS?
Use ONVIF or Hikvision’s SDK to add the camera via its IP address; detailed API documentation is available for major VMS platforms.