The Hikvision DS‑2CD2166G2-I(SU) is a next-generation 6 MP fixed dome IP camera equipped with AcuSense technology for smart motion detection and advanced classification of human and vehicle targets. Enhanced by Powered-by-DarkFighter low-light performance and True 120 dB WDR, this camera delivers consistently clear, detailed images even in difficult lighting conditions.

Built with a built-in microphone (-SU variant) for real-time audio monitoring and featuring an IK10-rated metal housing, the DS‑2CD2166G2-I(SU) is purpose-built for tough environments such as commercial buildings, education campuses, and public infrastructure. With PoE support, onboard storage up to 256 GB, and a robust suite of smart analytics, it combines high performance with flexible deployment.
What’s Included in the Box
Note: Optional accessories such as wall mounts, junction boxes, and pendant mounts are available separately.
Key Features
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6 MP resolution (3200 × 1800) for crystal-clear surveillance footage
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Fixed lens options: 2.8 mm and 4 mm available
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Powered-by-DarkFighter for superior low-light performance (0.003 Lux @ F1.6)
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AcuSense technology: Deep learning-based human and vehicle detection
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Built-in microphone (-SU model) for real-time audio monitoring
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Audio and alarm interfaces (-SU model) for expanded integration
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True 120 dB WDR for high-contrast scene adaptability
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IR night vision up to 30 metres with smart IR control
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H.265+/H.264+ compression reduces bandwidth and storage demands
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microSD storage support up to 256 GB
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Rugged, weatherproof (IP67) and vandal-resistant (IK10) aluminum housing
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PoE or 12 VDC flexible power input

Technical Specifications
| Specification |
Detail |
| Image Sensor |
1/2.4″ Progressive Scan CMOS |
| Resolution |
3200 × 1800 (6 MP) |
| Min. Illumination |
Colour: 0.003 Lux @ F1.6, B/W: 0 Lux with IR |
| Lens Options |
Fixed 2.8 mm or 4 mm (M12 mount) |
| Field of View (FOV) |
2.8 mm: 105.1° (H) × 53.4° (V) × 128.6° (D) 4 mm: 83.9° (H) × 44.5° (V) × 100.8° (D) |
| IR Range |
Up to 30 m |
| Wide Dynamic Range |
120 dB |
| Compression |
H.265+/H.265/H.264+/H.264/MJPEG |
| Frame Rate |
25/30 fps @ 6 MP |
| Audio Interface |
1 input / 1 output (line-level, mono) on -SU model |
| Audio Compression |
G.711, G.722.1, G.726, MP2L2, MP3, AAC, PCM |
| Alarm Interface |
1 input, 1 output (on -SU) |
| Onboard Storage |
microSD/SDHC/SDXC up to 256 GB |
| Power Supply |
12 VDC ± 25%, or PoE (802.3af, Class 3) |
| Power Consumption |
Max. 6 W (DC), 7.5 W (PoE) |
| Operating Conditions |
–30 °C to +60 °C, ≤ 95% RH (non-condensing) |
| Housing |
Metal (with SUS304 screws), vandal-resistant IK10 |
| Weatherproofing |
IP67 |
| Dimensions |
Ø121.4 mm × 92.2 mm |
| Weight |
550 g (camera only) |
| Certifications |
IP67, IK10, RCM, CE, FCC, RoHS, WEEE |
Brand Description
Hikvision is a globally respected leader in video surveillance, offering innovative and reliable solutions across residential, commercial, and industrial markets. Their intelligent cameras with AI capabilities, such as AcuSense, are trusted worldwide for precision and efficiency.
Warranty Information
The Hikvision DS-2CD2166G2-I(SU) is covered by a 3-year manufacturer warranty when purchased through authorized distributors. Warranty includes hardware support and software updates under standard usage conditions. Please retain purchase documentation for service eligibility.
Practical Use Scenarios
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Retail Entrances – Capture faces and detect potential threats with audio-visual integration
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Commercial Buildings – IK10-rated dome resists vandalism and harsh weather at building exteriors
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Education Campuses – Monitor hallways, courtyards, and entrance zones with smart analytics
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Parking Areas – AcuSense reduces false alerts while identifying human/vehicle movement
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Healthcare & Government Sites – Real-time event detection paired with audio capture for better incident response
Datasheets & Downloadable Resources
Excellence for the Australian and New Zealand Market
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RCM certified in compliance with AS/NZS CISPR 32:2015 standards
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Distributed through authorized Hikvision ANZ channels with full warranty support
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Camera and firmware optimized for Australian/NZ network environments and integrations
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Compliant with CE, RoHS, WEEE, and other environmental and safety certifications
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Built for Australia’s rugged climates, from coastal humidity to inland temperature extremes
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Local support available for product configuration, mounting accessories, and replacement parts
FAQs for DS-2CD2166G2-I(SU)
Q: What resolution does the DS-2CD2166G2-I(SU) camera offer?
A: The DS-2CD2166G2-I(SU) features a 6 MP resolution (3200 × 1800) for high-definition video.
Q: Is the DS-2CD2166G2-I(SU) equipped with a microphone?
A: Yes, the -SU variant includes a built-in microphone for real-time audio capture.
Q: Can the DS-2CD2166G2-I(SU) classify humans and vehicles separately?
A: Yes, thanks to AcuSense deep learning, the camera distinguishes between human and vehicle movements.
Q: Is this model suitable for outdoor installations?
A: Absolutely. It is IP67-rated for weather protection and IK10-rated for vandal resistance.
Q: What lens options are available for the DS-2CD2166G2-I(SU)?
A: It is available with 2.8 mm or 4 mm fixed focal lenses to suit various viewing needs.
Q: Does the DS-2CD2166G2-I(SU) support onboard storage?
A: Yes, it supports microSD cards up to 256 GB for local video recording.
Q: What is the infrared range of the DS-2CD2166G2-I(SU)?
A: The camera provides up to 30 metres of IR night vision, with Smart IR for balanced illumination.
Q: How is the DS-2CD2166G2-I(SU) powered?
A: It supports 12 VDC or Power over Ethernet (PoE), IEEE 802.3af, Class 3.
Q: Is the DS-2CD2166G2-I(SU) certified for use in Australia and New Zealand?
A: Yes, it holds RCM certification and complies with relevant AS/NZS standards.
Q: Which accessories are compatible with DS-2CD2166G2-I(SU)?
A: Optional accessories include wall mounts (DS-1272ZJ-120), junction boxes (DS-1280ZJ-DM46), pendant mounts, rain shields, and corner/vertical pole mounts.