The Dahua IPC-HFW3849T1-ZAS-PV is an 8MP outdoor security camera designed to identify and deter unauthorized activity. It's ideal for those who need reliable surveillance with intelligent detection of people and vehicles, offering both clear imaging day and night and active warnings to intruders.
Features
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Intelligent Detection: Accurately identifies and differentiates between people and vehicles, significantly reducing false alarms from animals or other non-threats.
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Active Deterrence: Features a built-in siren and flashing red and blue lights that automatically activate upon detection, effectively scaring away intruders.
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Color Night Vision: Utilizes a warm light to provide full-color video even in very low light conditions, offering more detailed visual evidence.
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Two-Way Audio: Communicate directly through the camera with a built-in dual microphone and speaker, allowing for remote interaction or warnings.
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Flexible Storage: Supports up to a 512GB Micro SD card for local recording, ensuring footage is saved even if network connectivity is lost.
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Weatherproof Design: Built with IP67 protection, making it suitable for reliable outdoor operation in various weather conditions.
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Motorized Vari-focal Lens: Allows you to adjust the zoom and focus remotely, providing flexibility to capture wide-angle views or detailed close-ups as needed.
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Smart Motion Detection (SMD 4.0): Advanced algorithms focus on human and vehicle detection, filtering out irrelevant motion and giving you more accurate alerts.
Perfect For:
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Home Driveways & Entrances: Monitor and deter trespassers with intelligent detection and active alarms.
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Small Business Fronts: Keep an eye on your storefront after hours and deter suspicious activity.
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Perimeter Fences: Detect and warn individuals attempting to cross boundaries.
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Warehouses & Loading Docks: Secure entry points and watch for unauthorized access.
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Parking Lots: Monitor vehicle activity and detect unwanted presence.
Installer Tips
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Optimal Mounting Height: For accurate human/vehicle detection, install the camera between 2.5m and 4m (8-13 feet) high, ensuring a clear line of sight to the detection area.
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PoE for Simplified Installation: Utilize Power over Ethernet (PoE) to deliver both power and data through a single Ethernet cable, simplifying wiring and reducing installation time.
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Lens Selection: Use the wider 2.7mm focal length for broad area coverage like a large yard or parking lot, and zoom in towards 13.5mm for more detailed monitoring of specific choke points or entryways.
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Pair with Smart NVRs: For advanced searching and efficient video management, connect this camera to a Dahua Smart NVR to leverage features like AcuPick and Smart Search.
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Custom Voice Alerts: Record and upload custom voice messages for the active deterrence feature to provide specific warnings tailored to your environment.
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Strategic Warm Light Placement: When utilizing the warm light for full-color night vision, consider its range (up to 40m) and potential light pollution to neighbors, positioning it thoughtfully.
Downloads
Quick-Read Specs
| Feature |
Detail |
| Resolution |
8MP (3840 × 2160) |
| Lens Type |
Motorized Vari-focal |
| Focal Length |
2.7 mm–13.5 mm |
| Night Vision |
IR (up to 50m) & Warm Light (up to 40m) |
| Deterrence |
Red/Blue Strobe Lights + Siren |
| AI Features |
SMD 4.0, Intrusion, Tripwire, AcuPick, AI SSA |
| Audio |
Built-in Dual Mic & Speaker (Two-way talk) |
| Storage |
Up to 512GB Micro SD Card |
| Power |
12 VDC / PoE (802.3af) |
| Weather Rating |
IP67 |
Extra Info
Smart Dual Illumination
The Smart Dual Light technology in this camera offers a significant advantage for night surveillance. Typically, at night, the camera operates with its infrared (IR) illuminator, providing clear black and white images while remaining discreet. However, when the camera detects a target, such as a person or vehicle, using its intelligent algorithms, it automatically switches on its warm white light. This immediately illuminates the scene, allowing the camera to record crucial event footage in full color. Once the detected target leaves the monitoring area, the warm light switches off, and the camera reverts to IR mode. This intelligent switching not only ensures detailed, color evidence when it matters most but also efficiently reduces light pollution, making it a considerate choice for residential areas.
SMD 4.0 for Pinpoint Accuracy
SMD 4.0 (Smart Motion Detection 4.0) represents a significant leap in motion detection accuracy. Unlike traditional motion detection that can be triggered by anything from swaying trees to pets, SMD 4.0 leverages advanced deep learning algorithms. It's specifically trained to recognize and differentiate between human and vehicle shapes, effectively filtering out irrelevant motion triggers. This means you'll receive far fewer false alarms, allowing you to focus on genuine security threats and spend less time reviewing unnecessary alerts. The system can even be configured to define specific areas where SMD is active, particularly useful in warm light zones for triggering precise alarms.
AcuPick for Rapid Evidence Retrieval
The AcuPick feature is a powerful tool for quickly finding specific events within hours of video footage. Working in conjunction with compatible back-end devices like Dahua Smart NVRs, AcuPick uses deep learning to identify and match targets like people and motor vehicles. Imagine needing to find when a specific delivery truck arrived or when an unauthorized person entered a restricted area. Instead of scrubbing through hours of video, AcuPick allows you to rapidly search live or recorded footage, pinpointing exactly when and where the target appeared. This dramatically reduces the time and effort required for forensic investigations and incident response.
AI Scene Self-Adaptation (SSA)
The camera's AI Scene Self-Adaptation (SSA) function ensures optimal image quality regardless of changing environmental conditions. This intelligent feature utilizes deep learning algorithms to analyze the scene in real-time and automatically adjust the camera's image parameters. Whether it's a sudden change in lighting, fog, or challenging backlighting, SSA dynamically optimizes settings like exposure, white balance, and noise reduction. This results in consistently clear and vivid images, ensuring that important details are not lost due to poor lighting or environmental factors, thereby enhancing overall monitoring effectiveness.
Active Deterrence with Lights and Audio
The Active Deterrence capabilities of this camera are a proactive security measure designed to stop incidents before they escalate. When the camera's intelligent monitoring detects an intrusion or tripwire breach by a human or vehicle, it can immediately trigger a powerful siren and flash bright red and blue lights. This combination of sound and light serves as a highly effective warning, often startling and deterring potential intruders. The camera comes with multiple pre-set voice prompts, and you can even upload your own customized audio messages, allowing for tailored warnings like "You are entering a restricted area" or "Property under surveillance." This immediate, on-site response can prevent theft, vandalism, or other unwanted activities.
Seamless Integration with AI NVRs and Mobile Apps
This camera is designed for seamless integration into a comprehensive security ecosystem. When paired with Dahua Smart NVRs, you unlock the full potential of its AI capabilities, including advanced search functions like AcuPick and Smart Search, which streamline event retrieval. For on-the-go monitoring and control, the camera fully supports Dahua's mobile client apps (iOS/Android). These apps allow you to view live feeds, receive real-time alerts, review recorded footage, manage alarm settings (including the convenient one-tap disarming feature), and even engage in two-way audio communication, all from your smartphone or tablet. This level of connectivity provides constant peace of mind and immediate control over your security system.
Q&A
Q: Can this camera record in color at night?
A: Yes, the camera features "Smart Dual Light" technology. It uses an IR illuminator for black and white night vision normally, but when it detects a person or vehicle, it automatically activates a warm white light to record full-color video.
Q: How loud is the built-in speaker for the deterrence feature?
A: While specific decibel levels aren't provided, the speaker is designed to be loud enough to effectively deliver voice prompts and siren sounds for active deterrence in an outdoor environment, providing an audible warning to potential intruders.
Q: Can the red and blue lights be disabled, or do they always flash when an alarm is triggered?
A: Yes, you can configure the alarm linkages. You have control over which deterrence actions (siren, red/blue lights, or both) are triggered upon detection, or you can disable them entirely if you only want recording.
Q: Does this camera work with NVRs from other brands?
A: The camera supports ONVIF (Profile S, G, T) and CGI, which means it should have basic compatibility with many third-party NVRs for video streaming. However, to utilize its advanced AI features like AcuPick, SMD 4.0, and Smart Search, it's recommended to pair it with a compatible Dahua Smart NVR.
Q: How long can a 512GB SD card record footage?
A: The recording duration depends on several factors, including the video resolution, compression (H.265 vs. H.264), frame rate, and the amount of motion detected. For an 8MP camera recording continuously, a 512GB card could store several days to a week of footage, but with motion-triggered recording and H.265 AI coding, it could last much longer.
Q: What makes this camera different from a "Pro" version, if one exists?
A: While specific "Pro" versions vary, typically, a higher-tier or "Pro" model might offer more advanced analytics (e.g., facial recognition, people counting), higher environmental ratings for extreme conditions, more robust casing materials, or additional input/output ports. This 3849-PV-S5 series is considered a robust and feature-rich option within the WizSense range.
Q: Will the siren and lights activate automatically, or do I have to manually trigger them?
A: The siren and lights can be configured to activate automatically when intelligent detection events (like intrusion or tripwire by a human or vehicle) occur. You set up the rules, and the camera handles the automatic deterrence. You can also manually trigger them via the mobile app.
Camera Model Comparison
Camera Model Comparison: IPC-HFW3849T1-ZAS-PV vs. IPC-HFW3841T-ZAS
Here's a detailed comparison between the newer IPC-HFW3849T1-ZAS-PV and its predecessor, the IPC-HFW3841T-ZAS.
| Category |
Newer Model (IPC-HFW3849T1-ZAS-PV) |
Older Model (IPC-HFW3841T-ZAS) |
| Model Name/Number |
IPC-HFW3849T1-ZAS-PV |
IPC-HFW3841T-ZAS |
| Series |
WizSense 3 Series (S5) |
WizSense 3 Series (S2) |
| Image Sensor |
1/2.8" CMOS |
1/2.8" CMOS |
| Max. Resolution |
8 MP (3840 × 2160) @ 25/30 fps |
8 MP (3840 × 2160) @ 25/30 fps (when AI function disabled), @ 20 fps (AI function enabled) |
| Min. Illumination |
Color: 0.004 lux@F1.0 (30 IRE)
B/W: 0.0004 lux@F1.0 (30 IRE)
Illuminator on: 0 lux |
Color: 0.007 lux@F1.5 (30 IRE)
B/W: 0.0007 lux@F1.5 (30 IRE)
Illuminator on: 0 lux |
| Illumination Type |
Built-in warm light and IR LED |
Built-in IR LED |
| Illumination Distance |
IR: Up to 50 m (164.64 ft)
Warm light: Up to 40 m (131.23 ft) |
IR: Up to 60 m (196.85 ft) |
| Illuminator Number |
2 (IR LED), 2 (warm light) |
4 (IR LED) |
| Max. Aperture |
F1.0 |
F1.5 |
| Built-in Audio |
Built-in dual Mic, 1-ch speaker (support two-way talk) |
Built-in Mic (no mention of speaker or two-way talk support explicitly in common specs, though audio I/O is present) |
| Storage |
Supports max. 512 G Micro SD card |
Supports max. 256 G Micro SD card |
| AI Features |
SMD 4.0, AI SSA, AcuPick, Smart Search, Sound and light alarm (red and blue lights), One-tap arming and disarming, SMD area can be set in warm light areas. |
SMD 4.0 (or SMD Plus), AI SSA, Quick Pick (with AI NVR), Smart Search |
| Video Compression |
H.265, H.264, H.264H, H.264B, MJPEG, AI H.265, AI H.264 |
H.265, H.264, H.264H, H.264B, MJPEG, AI H.265, AI H.264 |
| WDR |
120 dB |
120 dB |
| RAM/ROM |
RAM: 2 GB, ROM: 256 MB |
RAM: 1 GB (or 512 MB), ROM: 128 MB |
| DORI Distance (Wide) |
Detect: 89.9 m (294.95 ft)
Observe: 36.0 m (118.11 ft)
Recognize: 18.0 m (59.06 ft)
Identify: 9.0 m (29.53 ft) |
Detect: 88.3 m (289.70 ft)
Observe: 35.3 m (115.81 ft)
Recognize: 17.7 m (58.07 ft)
Identify: 8.8 m (28.87 ft) |
| DORI Distance (Tele) |
Detect: 257.4 m (844.49 ft)
Observe: 103.0 m (337.93 ft)
Recognize: 51.5 m (168.96 ft)
Identify: 25.7 m (84.32 ft) |
Detect: 289.7 m (950.46 ft)
Observe: 115.7 m (379.59 ft)
Recognize: 57.9m (189.96 ft)
Identify: 29.0 m (95.14 ft) |
| Power Consumption (Max) |
8.9 W (12 VDC); 10.3 W (PoE) |
9.2 W (12 VDC); 10.7 W (PoE) |
| Physical Attributes |
Metal+plastic casing
Dimensions: 288.4 mm × 94.4 mm × 84.7 mm (11.35" × 3.72" × 3.33")
Net Weight: 1.05 kg (2.31 lb) |
Metal casing
Dimensions: 244.1 mm × 79.0 mm × 75.9 mm (9.6″ × 3.1″ × 3.0″)
Net Weight: 0.82 kg (1.8 lb) |
| Protection |
IP67 |
IP67 (IK10 optional for some variants) |
Summary Recommendation
- Choose the IPC-HFW3849T1-ZAS-PV if:
- You require enhanced low-light performance due to its F1.0 aperture and lower minimum illumination.
- You need active deterrence features with both warm light and IR LEDs, including sound and light alarms, and the ability to set SMD areas in warm light zones.
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Higher storage capacity is crucial, as it supports up to 512 GB Micro SD cards.
- Advanced AI features like One-tap arming/disarming and more robust audio capabilities (dual Mic, built-in speaker with two-way talk) are important.
- You prefer the latest iteration with potential incremental improvements in processing power (higher RAM/ROM).
- The IPC-HFW3841T-ZAS might still be suitable if:
- Your primary concern is cost-effectiveness, and the specific enhancements of the newer model are not critical for your application.
- You require a longer IR-only illumination distance (60m vs 50m for IR in the new model).
- You already have an existing system compatible with its features and do not need the newer active deterrence or advanced audio functionalities.
- The slightly different physical dimensions and weight are more suitable for your installation.
