Hikvision DS-2CD23166G3-IS2UY/SL 16MP 4mm AcuSense Darkfighter Fixed Turret IP Camera with Mic & Speaker WHITE
Hikvision DS-2CD23166G3-IS2UY/SL — 16 MP Turret with Mic, Speaker, Strobe, A&A I/O (White, 4 mm)
16 MP G3 turret with ColorVuHikvision AcuSense vs ColorVu: UK Installer Guide for 2026 3.0, AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide, Hybrid Light to 40 m. 4 mm long-focal — 148 m DORI Detect. Mic + 2 W speaker + strobe + alarm I/O. Same-day dispatch, Leicester.
4 mm long-focal 16 MP G3 turret (/SL White) — 73.3° FoV / 148 m DORI. Mic + 2 W speaker + strobe + alarm I/O. PoE Class 4.
- 16 MP 4608 × 3456
- 4 mm F1.6 long-focal — 148 m DORI
- Hybrid Light to 40 m
- Mic + 2 W speaker + strobe
- 1 alarm I/O
Overview
The Hikvision DS-2CD23166G3-IS2UY/SL 4 mm long-focal /SL variant combines the longest fixed-lens DORI Detect in the G3 family (148 m) with the full /SL deterrent feature set — 2 W speaker, active strobe, audio alarm, alarm I/O. Ideal for car parks, long driveways and perimeter fences needing 16 MP forensic detail at distance AND active deterrence.
Imaging: 4608 × 3456 UHD on 1/1.8" CMOS, F1.6 aperture, 0.0008 Lux, 130 dB true WDR, Smart HybridSmart Hybrid Light Light to 40 m. 4 mm long-focal — 73.3° H FoV, DORI D: 148 m. AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide Human + Vehicle classification. Multi-codec to 16 Mbps. ONVIF Profile S/G/T. microSD up to 512 GB with ANR. PoE 802.3at Class 4 (max 18 W). Metal IP67/IK10/NEMA 4X.
Key Features
- 16 MP UHD at 4608 × 3456
- 4 mm long-focal F1.6 lens — 73.3° H FoV
- DORI Detect 148 m
- Powered by DarkFighter — 0.0008 Lux @ F1.6
- Smart HybridSmart Hybrid Light Light up to 40 m
- 130 dB true WDR + AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide
- 2 W speaker + strobe + audio alarm
- 1 alarm I/O + audio line in/out
- microSD up to 512 GB with ANR
- ONVIF Profile S/G/T + ISAPI + SDK + ISUP
- PoE 802.3at Class 4
- IP67 + IK10 + NEMA 4X
Typical Applications
- Long driveways requiring 148 m detect + audio/strobe deterrent
- Car parks needing forensic detail at distance + siren linkage
- Perimeter fences with AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide audible warnings
- Large depots — long-range coverage from a single camera
What's in the Box
- 1 × Hikvision DS-2CD23166G3-IS2UY/SL 16 MP turret (White, 4 mm)
- 1 × mounting template + screw pack
- 1 × quick start guide
- 1 × waterproof RJ45 connector
📄 Download: Hikvision DS-2CD23166G3-IS2UY/SL datasheet (PDF)
Detailed Specifications — Hikvision DS-2CD23166G3-IS2UY/SL (White, 4 mm long-focal)
| Camera | |
|---|---|
| Image Sensor | 1/1.8" Progressive Scan CMOS |
| Max. Resolution | 4608 × 3456 (16 MP UHD) |
| Min. Illumination (Colour) | 0.0008 Lux @ F1.6; 0 Lux with IR |
| Lens | |
| Lens Type | 4 mm fixed (F1.6, long-focal) |
| Horizontal FOV | 73.3° |
| DORI | D: 148 m, O: 59 m, R: 29 m, I: 14 m |
| Illuminator | |
| Supplement Light Range | Up to 40 m (Smart Hybrid) |
| Video | |
| Video Compression | H.265+ / H.264+ / H.265 / H.264 / MJPEG |
| Video Bit Rate | 32 Kbps to 16 Mbps |
| WDR | 130 dB true WDR |
| Audio | |
| Audio Input | Arrayed dual-microphone + 1 × line in |
| Audio Output | 2 W speaker (110 dB SPL) + 1 × line out |
| Alarm | |
| Alarm I/O | 1 × alarm in + 1 × alarm out |
| Strobe Light | Active, AcuSense-linked |
| Smart Function | |
| AcuSense | Human + Vehicle deep-learning |
| Perimeter Protection | Line crossing, Intrusion, Region entrance/exit |
| General | |
| PoE | IEEE 802.3at Class 4 (max 18 W) |
| Dimensions | Ø 138.3 mm × 115.4 mm |
| Weight | 820 g |
| Operating | -30 °C to 60 °C |
| Protection | IP67 / IK10 / NEMA 4X |
| Finish | White |
Frequently Asked Questions
What resolution does the Hikvision DS-2CD23166G3-IS2UY/SL record?
16MP UHD (4608 × 3456) — one of Hikvision's highest-resolution turret cameras.
How does it perform at night?
Powered-by-DarkFighter low-light technology with Smart Hybrid Light (white light + IR) up to 40m.
What lens does this version have?
A 4mm long-focal lens for greater reach, with DORI detection up to around 148m.
What deterrent features does the /SL model add?
A built-in microphone, a 2W speaker, a white-light strobe and alarm input/output — AcuSense detection can trigger audible and visual warnings.
Does it reduce false alarms?
Yes — AcuSense deep-learning analytics classify people and vehicles, with 130dB true WDR.
Is it weatherproof and vandal-resistant?
Yes — IP67-rated, IK10 vandal-resistant and NEMA 4X.
How is it powered?
Via PoE or 12V DC.
Which recorders is it compatible with?
Hikvision NVRs that support 16MP resolution, plus third-party systems via ONVIF.





