Hikvision DS-2CD3686G3-LIZSU(Y)/SL 8MP Dual Illumination Strobe Light and Audible Warning Motorized Varifocal Bullet Camera
The Hikvision DS-2CD3686G3-LIZSU(Y)/SL is an 8 MP dual-illumination bullet with a motorised 2.7 to 13.5 mm zoom, active deterrence and two-way audio. Smart Hybrid Light keeps full colour at night, AcuSense filters alerts to people and vehicles, and a flashing white strobe plus an audible alarm warn intruders off.
Key points
- 8 MP (3840 x 2160) on a 1/1.8" sensor with an F1.2 lens
- Motorised 2.7 to 13.5 mm varifocal zoom, set remotely
- Smart Hybrid Light: infrared, white light or smart mode, up to 60 m
- AcuSense human and vehicle detection with auto-tracking
- Active deterrence strobe and audible alarm; two-way audio
- IP67 and IK10 (NEMA 4X on -Y); PoE (802.3at) or 12 VDC
inc GST + 3 Year Warranty & Support
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§ 01Overview
What the DS-2CD3686G3-LIZSU(Y)/SL is
The Hikvision DS-2CD3686G3-LIZSU(Y)/SL is an 8 MP dual-illumination bullet with a motorised 2.7 to 13.5 mm zoom, built for large sites that need a flexible field of view, full-colour night images and active deterrence.
A large 1/1.8" sensor and an F1.2 lens capture sharp 8 MP (3840 x 2160) images, the motorised varifocal lens sets the zoom and focus remotely from wide-angle to telephoto, and 130 dB Wide Dynamic Range holds detail in high-contrast light.
Smart Hybrid Light gives three night modes: infrared up to 60 m for a discreet black-and-white image, constant white light for full colour, and a smart mode that runs on infrared and brings in white light to capture full colour when a person or vehicle is detected.
AcuSense deep learning classifies people and vehicles on the camera, runs perimeter rules that alarm only on those targets, and supports auto-tracking and people counting.
When a target is detected, the /SL white light flashes as a strobe and the speaker sounds an audible alarm, moving an intruder on in real time.
A built-in dual-microphone array and a built-in speaker give two-way audio, so an operator can listen and talk back.
It is a metal bullet rated IP67 against dust and water and IK10 against impact, with a NEMA 4X anti-corrosion rating on the -Y version for salt-affected and industrial sites.
An open HEOP platform lets integrators add custom analytics, a microSD slot takes a card up to 512 GB and H.265+ keeps storage down.
It runs on PoE (802.3at) or 12 VDC, so confirm your switch or NVR supplies 802.3at for the motorised lens, strobe, speaker and lights.
Record it to a Hikvision AcuSense NVR so the events and audio stay easy to review.
See it in action
What the DS-2CD3686G3-LIZSU(Y)/SL features actually look like
Representative illustrations of how each key feature performs in a real scene.
8MP Ultra HD
Even when a person or car is far down the driveway, you can zoom in and still recognise a face or read a number plate — detail that lower-resolution cameras lose.
60m IR Night Vision
Full Color Night Vision
Human/Vehicle Detection
IP67 Weatherproof
Two-Way Audio
Illustrative — simulated for demonstration
§ 02Engineering
DS-2CD3686G3-LIZSU(Y)/SL specifications
- Motorised 2.7 to 13.5 mm varifocal zoom, set remotely from wide to tele
- Smart Hybrid Light: infrared, white light or smart mode, up to 60 m
- AcuSense human and vehicle detection with auto-tracking and people counting
- Active deterrence: flashing white strobe and audible alarm
- Two-way audio with a built-in dual-microphone array and speaker
- 130 dB WDR; open HEOP platform for custom analytics
- IP67 and IK10 (NEMA 4X on -Y); microSD up to 512 GB; PoE (802.3at) or 12 VDC
§ 03Full datasheet
Detailed specifications
Camera & Image
| Feature | Detail |
|---|---|
| Image Sensor | 1/1.8" Progressive Scan CMOS |
| Max. Resolution | 3840 × 2160 |
| Min. Illumination | Color: 0.001 Lux @ (F1.2, AGC ON), 0 Lux with light |
| Shutter Time | 1 s to 1/100,000 s |
| Day & Night | IR cut filter |
| Angle Adjustment | Pan: 0° to 360°, tilt: 0° to 90°, rotate: 0° to 360° |
| Day/Night Switch | Day, Night, Auto, Schedule |
| Image Enhancement | BLC, HLC, 3D DNR, Distortion Correction, Defog |
| SNR | ≥ 52 dB |
| Wide Dynamic Range (WDR) | 130 dB |
| Image Stabilization | EIS |
| Image Parameters Switch | Yes |
| Image Settings | Rotate mode, saturation, brightness, contrast, sharpness, gain, white balance, adjustable by client software or web browser |
| Privacy Mask | 8 programmable polygon privacy masks |
Lens & Distance
| Feature | Detail |
|---|---|
| Lens Type | Varifocal lens, motorized lens, 2.7 to 13.5 mm |
| Focal Length & FOV | 2.7 to 13.5 mm, horizontal FOV 112.3° to 41.2°, vertical FOV 58.1° to 23.1°, diagonal FOV 137.4° to 47.3° |
| Lens Mount | Integrated |
| Iris Type | Auto-iris |
| Aperture | F1.2 |
| Depth of Field | 1 m to ∞ |
| DORI | Wide: D: 89.2 m, O: 35.4 m, R: 17.8 m, I: 8.9 m | Tele: D: 220.0 m, O: 87.3 m, R: 44.0 m, I: 22.0 m |
Night Vision
| Feature | Detail |
|---|---|
| Supplement Light Type | IR, White Light |
| Supplement Light Range | Up to 60 m |
| Smart Supplement Light | Yes |
| IR Wavelength | 850 nm |
Video
| Feature | Detail |
|---|---|
| Main Stream | 50 Hz: 25 fps (3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720) | 60 Hz: 30 fps (3840 × 2160, 3200 × 1800, 2688 × 1520, 1920 × 1080, 1280 × 720) |
| Sub-Stream | 50 Hz: 25 fps (1280 × 720, 640 × 480, 640 × 360) | 60 Hz: 30 fps (1280 × 720, 640 × 480, 640 × 360) |
| Third Stream | 50 Hz: 10 fps (1280 × 720, 640 × 480, 640 × 360) | 60 Hz: 10 fps (1280 × 720, 640 × 480, 640 × 360) *Third stream is supported under certain settings. |
| Fourth Stream | 50 Hz: 1 fps (1280 × 720, 640 × 480, 640 × 360) | 60 Hz: 1 fps (1280 × 720, 640 × 480, 640 × 360) *Fourth stream is supported under certain settings. |
| Video Compression | Main stream: H.265/H.264/H.264+/H.265+, Sub-stream: H.265/H.264/MJPEG, Third stream: H.265/H.264, Fourth stream: H.265/H.264/MJPEG |
| Video Bit Rate | 32 Kbps to 16 Mbps |
| H.264 Type | Baseline Profile, Main Profile, High Profile |
| H.265 Type | Main Profile |
| Bit Rate Control | CBR, VBR |
| Scalable Video Coding (SVC) | H.264 and H.265 encoding |
| Region of Interest (ROI) | 5 fixed regions for main stream and sub-stream |
| e-PTZ | Support Patrol and Auto Tracking settings |
Audio
| Feature | Detail |
|---|---|
| Audio Type | Mono sound |
| Audio Compression | G.711/G.722.1/G.726/MP2L2/PCM/MP3/AAC-LC |
| Audio Bit Rate | 64 Kbps (G.711ulaw/G.711alaw)/16 Kbps (G.722.1)/16 Kbps (G.726)/16 Kbps to 64 Kbps (AAC-LC)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3) |
| Audio Sampling Rate | 8 kHz/16 kHz/32 kHz/48 kHz |
| Environment Noise Filtering | Yes |
AI & Deep Learning
| Feature | Detail |
|---|---|
| Face Capture | Yes |
| People Counting | Yes |
| Perimeter Protection | Line crossing, intrusion, region entrance, region exiting. Support alarm triggering by specified target types (human and vehicle) |
| Open Resources | Memory: 40 MB, Smart RAM: 450 MB, eMMC: 2 GB |
| Computing Power | 1.5 TOPS |
| Open Capability | HEOP 2.0 OpendevSDK |
| Deep Learning Structure | Caffe, PyTorch, TensorFlow, PaddlePaddle, ONNX |
| Programming Language | C, C++ |
Network & Storage
| Feature | Detail |
|---|---|
| Protocols | TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv4, IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SNMP, WebSocket, WebSockets, SRTP, SFTP |
| Simultaneous Live View | Up to 6 channels |
| API | ONVIF (Profile S, Profile T, Profile G), ISAPI, SDK, ISUP |
| User/Host | Up to 32 users; 3 user levels: administrator, operator, and user |
| Security | Password protection, complicated password, HTTPS encryption, 802.1X authentication (EAP-TLS, EAP-LEAP, EAP-MD5), watermark, IP address filter, basic and digest authentication for HTTP/HTTPS, WSSE and digest authentication for Open Network Video Interface, RTP/RTSP over HTTPS, control timeout settings, security audit log, TLS 1.1/1.2/1.3, host authentication (MAC address) |
| Network Storage | NAS (NFS, SMB/CIFS), Auto Network Replenishment (ANR) |
| Client | iVMS-4200, Hik-Connect, Hik-Central |
| Web Browser | Plug-in free live view: Chrome 91+, Firefox 88+, Edge 91+, Safari 13+ | Local service: Chrome 91+, Firefox 88+, Edge 91+ |
Event & Alarm
| Feature | Detail |
|---|---|
| Basic Event | Motion detection (support alarm triggering by specified target types (human and vehicle)), video tampering alarm, exception |
| Smart Event | Scene change detection, audio exception detection, defocus detection |
| Linkage | Upload to FTP/NAS/memory card, notify surveillance center, trigger recording, trigger capture, send email, audible warning, trigger alarm output, strobe light |
Interface
| Feature | Detail |
|---|---|
| Ethernet Interface | 1 RJ45 10 M/100 M self-adaptive Ethernet port |
| On-Board Storage | Built-in memory card slot, support microSD/microSDHC/microSDXC card, up to 512 GB |
| Built-in Speaker | Max. power consumption: 2 W, max. sound pressure level: 10 cm: 120 dB. |
| Audio | Built-in Microphone: Arrayed dual-microphone, 1 input (line in), two-core terminal block, max. input amplitude: 3.3 Vpp, input impedance: 4.7 KΩ, interface type: non-equilibrium | 1 output (line out), two-core terminal block, max. output amplitude: 3.3 Vpp, output impedance: 100 Ω, interface type: non-equilibrium |
| Alarm | 2 inputs, 2 outputs (max. 24 VDC/24 VAC, 1 A) |
| Reset Key | Yes |
| Power Output | 12 VDC, max. 100 mA |
General & Environment
| Feature | Detail |
|---|---|
| Power | 12 VDC ± 25%, 1.21 A, max. 14.5 W, Two-core terminal block, reverse polarity protection, PoE: IEEE 802.3at, Class 4, max. 18 W |
| Material | Front cover: Metal, body: Metal, bracket: Metal |
| Dimension | Ø140 mm × 333.8 mm (Ø5.51" × 13.14") |
| Package Dimension | 386 mm × 190 mm × 180 mm (15.2" × 7.5" × 7.1") |
| Weight | Approx. 1555 g (3.4 lb.) |
| With Package Weight | Approx. 2366 g (5.2 lb.) |
| Storage Conditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| Startup and Operating Conditions | -30 °C to 60 °C (-22 °F to 140 °F). Humidity 95% or less (non-condensing) |
| General Function | Heartbeat, mirror, flash log, password reset via email, pixel counter, anti-banding |
| Language | 33 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil), Ukrainian |
| Flashing Light | White Light |
| EMC | CE-EMC: EN 55032:2015+A1:2020, EN 50130-4:2011+A1:2014, EN IEC 61000-3-2:2019+A1:2021, EN 61000-3-3:2013+A1:2019+A2:2021 |
| Safety | CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017 |
| Environment | CE-RoHS: 2011/65/EU |
| Protection | IP67: IEC 60529-2013, IK10: IEC 62262:2002 |
| Anti-Corrosion Protection | -Y: NEMA 4X (NEMA 250-2018) |
§ 04Why choose this
Built for the way you actually use the DS-2CD3686G3-LIZSU(Y)/SL
Frame it from anywhere
A motorised 2.7 to 13.5 mm zoom sets the field of view remotely, from a wide forecourt to a long perimeter.
Follows the action
AcuSense auto-tracking keeps a detected person or vehicle framed within the field of view.
Talk and listen on site
A built-in dual-microphone array and speaker give two-way audio for live challenges and announcements.
§ 05Where it fits
Right at home in these scenarios
Large perimeters and yards
Zoom along a long boundary, follow an intruder with auto-tracking and trigger the strobe and alarm.
Car parks and forecourts
Frame a wide area or zoom onto a bay, with full colour at night and live deterrence.
Industrial and logistics sites
Cover loading and storage areas with people and vehicle filtering and two-way audio.
Critical infrastructure
Use the open HEOP platform to add custom analytics on larger, integrated systems.
§ 06Setup
Installation & setup
What's in the box
One DS-2CD3686G3-LIZSU(Y)/SL bullet camera with a mounting template, fixings and a quick guide. The PoE switch or NVR, network cable, microSD card and any junction box are supplied separately.
Installation requirements
Mount it on a wall, eave or pole aimed along the area to cover, and run one network cable back to a PoE (802.3at) switch or NVR, or use 12 VDC. Set the motorised zoom and focus, the Smart Hybrid Light mode, the AcuSense rules and the strobe and audio responses in the software, and record it to a Hikvision AcuSense NVR. A junction box tidies the cabling on a flat wall.
§ 07Questions
Frequently asked about the DS-2CD3686G3-LIZSU(Y)/SL
Q.01
Does the DS-2CD3686G3-LIZSU(Y)/SL record in colour at night?
Q.02
How does the active deterrence work?
Q.03
Does it have two-way audio?
Q.04
What does auto-tracking do?
Q.05
What does the motorised lens do?
Q.06
Is it vandal and corrosion resistant?
Q.07
What power and recorder does it need?
Q.08
Is it suitable for outdoors in Australia?
§ 09Bundles
Recommended packages
Record and review it
Feed it to a Hikvision AcuSense recorder such as the 8-channel DS-7608NI-M2/8P, or the 16-channel DS-7616NI-M2/16P for larger sites. Add a surveillance-grade drive like the 8 TB for weeks of continuous footage.
Power it over one cable
Run a single network cable per camera from a PoE source. The HiLook 8-port PoE switch feeds several cameras and the recorder, keeping the cabling tidy on multi-camera sites.
Mount it cleanly
A DS-1260ZJ junction box tidies the cabling and screw runs behind the bullet and gives a neat finish on a wall or eave.
