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Image Sensor / Resolution: 1/2.7-inch CMOS; up to 3840 × 2160 (8 MP) at 25/30 fps.
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Lens: Motorised vari-focal 2.7-13.5 mm; aperture F1.4; minimum focus ~0.1 m.
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Field of View (FoV): Horizontal ~114°-32°; Vertical ~58°-17°; Diagonal ~138°-36°.
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Illumination: Dual-light: IR + warm light; each up to ~50 m distance.
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Minimum Illumination: Colour ~0.007 lux @ F1.4; Black & White ~0.0007 lux @ F1.4; 0 lux with illuminator on.
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Video / Streams / Compression: Supports 3 streams; codecs include H.265 / H.264 / Smart H.265+ / Smart H.264+ / AI H.264/H.265; ROI; flexible bit rate control.
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Smart / AI Features: SMD 4.0 (Smart Motion Detection), Perimeter Protection (Intrusion / Tripwire) with human/vehicle classification, AI Scene Self-Adaptation (SSA), warm light area setting.
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Audio / Alarms / I/O: Built-in microphone; 1 audio input; 1 audio output; 1 alarm in, 1 alarm out.
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Storage: Supports Micro SD up to 512 GB.
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Power Supply: 12 V DC or PoE (802.3af).
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Max Power Consumption: Basic ~3.3 W (12 V DC); ~4.0 W (PoE). Max ~9.2 W (12 V) / ~11.3 W (PoE) with all features enabled.
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Environmental & Physical: Operating temperature -30 °C to +60 °C; humidity up to 95% non-condensing; Protection IP67 / IK10; metal casing; dimensions ~94.0 mm × Ø122.0 mm; weight ~560 g net.
Use Cases
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Perimeter Monitoring: Outdoor property boundaries where both IR and warm light enhance surveillance reliability.
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Entrances & Gates: Detects and records human/vehicle crossings with deterrent lighting.
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Mixed Lighting Environments: Works effectively in areas with streetlights or shadows by combining colour warm light mode and IR.
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Data-Sensitive Sites: Smart detection reduces false alarms and optimises storage/bandwidth usage.
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Harsh Outdoor Installations: With IP67 and IK10, suitable for exposed environments at risk of vandalism, rain, or dust.
Frequently Asked Questions (FAQs)
Question | Answer |
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Does this camera deliver colour at night? | Yes. When warm light is triggered, it provides full-colour imagery; otherwise in darker scenes it uses IR for black & white mode. |
How good is its performance in low light overall? | Very good. With 0.007 lux (colour) and 0.0007 lux (B/W) thresholds, plus illuminators, it captures detail in very dim conditions. |
How far can it ‘see’ with its lens? | For the wide end (2.7 mm), DORI distances are: Detect ~85 m; Observe ~34 m; Recognize ~17 m; Identify ~8.5 m. |
Does it have AI to reduce false alarms? | Yes. SMD 4.0 classifies human vs vehicle; also supports intrusion/tripwire with classification and warm light area control. |
What is the maximum power consumption? | About 9.2 W (12 V DC) or ~11.3 W (PoE) when all features are active. |
Is it suitable in harsh environments? | Yes. IP67 (dust/water), IK10 (impact), and -30 °C to +60 °C tolerance make it suitable for outdoor and vandal-risk areas. |
Can it be powered over Ethernet? | Yes, it supports PoE (802.3af) in addition to 12 V DC. |
Explains Dual Light
Sample Dahua 8MP Resolution
NIGHT TIME SAMPLE VIDEO – DAHUA HDW3866EMP – 2.8mm
AFTERNOON SAMPLE VIDEO – DAHUA HDW3866EMP – 2.8mm
MORNING SAMPLE VIDEO – DAHUA HDW3866EMP – Person Walking – 2.8mm
MORNING SAMPLE VIDEO – DAHUA HDW3866EMP – Car Driving- 2.8mm
Sample 8MP Videos from a similar Dahua camera