Hikvision DS-2CD23166G3-IS2UY/SL 16MP 2.8mm 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)
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, IP67. Mic + 2 W speaker + active strobe + alarm I/O. Same-day dispatch, Leicester.
16 MP G3 turret (/SL White) — 2.8 mm F1.6, 94.5° FoV, 117 m DORI. Mic + 2 W speaker + strobe + alarm I/O. PoE Class 4.
- 16 MP 4608 × 3456
- ColorVuHikvision AcuSense vs ColorVu: UK Installer Guide for 2026 3.0 + Hybrid Light to 40 m
- Mic + 2 W speaker (110 dB) + strobe
- 1 alarm in + 1 alarm out
- AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide + IP67 + IK10
Overview
The Hikvision DS-2CD23166G3-IS2UY/SL is the deterrent /SL variant of the 16 MP G3 "Powered by DarkFighter" turret. It adds a built-in 2 W speaker (max 110 dB SPL @ 10 cm), an active strobe light, audio-alarm linkage, plus 1 × alarm in + 1 × alarm out and audio line in/out — for real-time intruder deterrence on AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide Human/Vehicle events and integration with external microphones, sounders, beacons, panic buttons and door contacts.
Imaging matches the non-/SL: 4608 × 3456 UHD on 1/1.8" CMOS, 2.8 mm F1.6 (94.5° H FoV, DORI D: 117 m), 0.0008 Lux, 130 dB true WDR, Smart HybridSmart Hybrid Light Light up to 40 m, 3D DNR, BLC, HLC, defog.
AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide Human + Vehicle classification, Face Capture, Scene Change Detection. Multi-codec to 16 Mbps. ONVIF Profile S/G/T + ISAPI + SDK + ISUP. iVMS-4200 / Hik-Connect / Hik-Central. microSD up to 512 GB with ANR.
/SL variant draws PoE 802.3at Class 4 (max 18 W) due to speaker/strobe/alarm I/O. 12 VDC alternative. Metal cover + body. IP67 + IK10 + NEMA 4X. -30 °C to 60 °C.
Key Features
- 16 MP UHD at 4608 × 3456 on 1/1.8" CMOS
- Powered by DarkFighter — 0.0008 Lux @ F1.6
- 2.8 mm F1.6 — 94.5° H FoV, DORI D: 117 m
- Smart HybridSmart Hybrid Light Light up to 40 m
- 130 dB true WDR + AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide
- Built-in 2 W speaker (110 dB SPL) — audio deterrent
- Active strobe + audio alarm — AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide-linked
- 1 alarm in + 1 alarm out
- Audio line in + line out
- microSD up to 512 GB with ANR; NAS
- ONVIF Profile S/G/T + ISAPI + SDK + ISUP
- PoE 802.3at Class 4 (max 18 W)
- Metal cover + body; IP67 + IK10 + NEMA 4X
Typical Applications
- Perimeter / entrance monitoring with AcuSenseHikvision AcuSense NVR Range 2026: Sizing Guide audio + strobe deterrent
- Retail front-of-house with live audible warnings
- Car parks needing siren / beacon linkage on intrusion events
- Forensic detail surveillance with 16 MP digital zoom
- Sites needing passive recording AND active deterrence
What's in the Box
- 1 × Hikvision DS-2CD23166G3-IS2UY/SL 16 MP turret (White, 2.8 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, 2.8 mm)
| 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 |
| Day & Night | IR cut filter |
| Lens | |
| Lens Type | 2.8 mm fixed (F1.6) |
| Horizontal FOV | 94.5° |
| Vertical FOV | 69.9° |
| Diagonal FOV | 123.2° |
| DORI | D: 117 m, O: 46 m, R: 23 m, I: 11 m |
| Illuminator | |
| Supplement Light Range | Up to 40 m (Smart Hybrid) |
| IR Wavelength | 850 nm |
| 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 |
| Image Enhancement | BLC, HLC, 3D DNR, Distortion Correction, Defog |
| Audio | |
| Audio Input | Arrayed dual-microphone + 1 × line in |
| Audio Output | Built-in 2 W speaker (110 dB SPL) + 1 × line out |
| Audio Compression | G.711 / G.722.1 / G.726 / AAC-LC / MP3 |
| Alarm | |
| Alarm I/O | 1 × alarm in + 1 × alarm out (max 24 VAC/VDC, 1 A) |
| Strobe Light | Active, AcuSense-linked |
| Smart Function | |
| AcuSense | Human + Vehicle deep-learning |
| Perimeter Protection | Line crossing, Intrusion, Region entrance/exit |
| Face Capture | Yes |
| Smart Event | Scene change detection |
| Network | |
| API | ONVIF (S, G, T), ISAPI, SDK, ISUP |
| Network Storage | NAS (NFS, SMB/CIFS), ANR |
| Client | iVMS-4200, Hik-Connect, Hik-Central |
| General | |
| Power Supply | 12 VDC ± 25%, 1 A, max. 12 W |
| PoE | IEEE 802.3at Class 4 (max 18 W) |
| Material | Metal cover + metal body |
| Dimensions | Ø 138.3 mm × 115.4 mm |
| Weight | 820 g (1.8 lb.) |
| Operating Conditions | -30 °C to 60 °C |
| Protection | IP67 / IK10 / NEMA 4X (moderate) |
| Approvals | CE-EMC, CE-LVD, CE-RoHS, WEEE, REACH, CB |
| 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 wide-angle 2.8mm fixed lens.
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.





