Hikvision DS‑2CD3787G3T‑LIZSU(Y) 8MP ColorVu 3.0 Dual-Illumination Motorised Varifocal Dome Camera with Smart Hybrid Light, Varifocal 2.7–13.5mm, IR/White Light up to 40m
The Hikvision DS-2CD3787G3T-LIZSU(Y) is an 8 MP ColorVu dome with a motorised 2.7 to 13.5 mm zoom and Smart Hybrid Light. ColorVu holds full-colour images at night, white light and infrared reach up to 40 m, and the -Y option adds NEMA 4X anti-corrosion for coastal sites.
Key points
- 8 MP (3840 x 2160) on a 1/1.8" sensor, F1.2 lens
- Motorised 2.7 to 13.5 mm varifocal zoom, set remotely
- ColorVu with Smart Hybrid Light, white light and infrared up to 40 m
- Human and vehicle detection, face capture, people counting
- 130 dB WDR; IP67, IK10; -Y adds NEMA 4X anti-corrosion
- Arrayed dual microphone; microSD up to 512 GB; PoE (802.3at) or 12 VDC
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§ 01Overview
What the DS-2CD3787G3T-LIZSU(Y) is
The Hikvision DS-2CD3787G3T-LIZSU(Y) is an 8 MP ColorVu 3.0 dome with a motorised 2.7 to 13.5 mm zoom, made for sites that want true full-colour night images and the option of an anti-corrosion housing.
A 1/1.8" sensor and an F1.2 lens record 8 MP (3840 x 2160) video, and the motorised varifocal lens lets you set zoom and focus remotely from a wide view down to a tight long-range shot.
With 130 dB Wide Dynamic Range, the image stays readable where strong daylight meets shadow, such as a glass entrance or a covered driveway.
ColorVu paired with Smart Hybrid Light is the headline.
ColorVu's large aperture pulls in available light, and the white supplement light fills in when it gets truly dark, holding full-colour images up to 40 m rather than the black and white of infrared-only cameras.
Smart Hybrid Light also lets you run a discreet infrared mode or a smart mode that only switches on white light when a target is detected, which limits light spill near homes.
Deep-learning analytics classify people and vehicles, so perimeter rules such as line crossing and intrusion alarm on those targets and ignore the weather and animals that trigger basic motion detection.
Audio is an arrayed dual microphone plus audio in and out terminals, so it records clear sound; it does not include a built-in speaker, so it is not a stand-alone talk-back camera.
The metal dome is IP67 against dust and water and IK10 against impact, and the -Y variant adds NEMA 4X anti-corrosion for coastal and industrial air, which is why it suits beachside shops, marinas and chemical sites.
A microSD slot holds up to 512 GB, H.265+ keeps file sizes down, and it runs on PoE (802.3at) or 12 VDC.
Record it to a Hikvision AcuSense NVR for fast human and vehicle search.
See it in action
What the DS-2CD3787G3T-LIZSU(Y) 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.
40m IR Night Vision
Full Color Night Vision
Human/Vehicle Detection
IP67 Weatherproof
Illustrative — simulated for demonstration
§ 02Engineering
DS-2CD3787G3T-LIZSU(Y) specifications
- Motorised 2.7 to 13.5 mm varifocal zoom, set remotely
- ColorVu with Smart Hybrid Light keeps full-colour night images
- White light and infrared supplement light up to 40 m
- Human and vehicle detection, face capture and people counting
- 130 dB WDR; arrayed dual microphone for clear audio
- IP67, IK10; -Y adds NEMA 4X anti-corrosion for coastal sites
- microSD up to 512 GB; H.265+; 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 355°, tilt: 0° to 75°, rotate: 0° to 355° |
| 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 | Max. 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 40 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)/32 to 192 Kbps (MP2L2)/8 to 320 Kbps (MP3)/16 to 64 Kbps (AAC-LC) |
| Environment Noise Filtering | Yes |
| Audio Sampling Rate | 8 kHz/16 kHz/32 kHz/48 kHz |
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 |
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 |
| 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 input, 2 output (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%, 1.35 A, max. 16.2 W, Ø 5.5 mm coaxial power plug, reverse polarity protection, PoE: IEEE 802.3at, Class 4, max. 18 W |
| Material | Metal |
| Dimension | Ø141 mm × 112 mm (Ø5.6" × 4.4") |
| Package Dimension | 244 mm × 174 mm × 173 mm (9.6" × 6.9" × 6.8") |
| Weight | Approx. 850 g (1.9 lb.) |
| With Package Weight | Approx. 1440 g (3.2 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 |
| 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, RCM: AS/NZS CISPR 32: 2015, IC: ICES-003: Issue 7 |
| Safety | CB: IEC 62368-1: 2014+A11, CE-LVD: EN 62368-1: 2014/A11: 2017 |
| Environment | CE-RoHS: 2011/65/EU, WEEE: 2012/19/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-2CD3787G3T-LIZSU(Y)
Anti-corrosion option
The -Y NEMA 4X variant resists salt and chemical air, so it lasts at marinas, beachfront shops and industrial sites where standard cameras corrode.
Remote-set zoom
The motorised 2.7 to 13.5 mm lens is framed and focused from software, so one camera covers a wide area or reaches a distant gate without a ladder.
Targeted alarms
Human and vehicle detection keeps alerts to real targets and cuts the weather-driven false alarms of basic motion cameras.
§ 05Where it fits
Right at home in these scenarios
Coastal and marine sites
The -Y anti-corrosion housing handles salt air at marinas, jetties and beachfront retail, while ColorVu keeps colour detail after dark.
Retail and hospitality
Full-colour night video and 130 dB WDR record faces and clothing at a lit entrance, and people counting helps measure visitor flow.
Industrial and chemical sites
NEMA 4X resists corrosive air, and human and vehicle rules keep alerts focused on staff and vehicles in active yards.
Driveways and gates
Zoom the lens to a gate or a long approach and rely on white-light colour to read plates and vehicle colour at night.
§ 06Setup
Installation & setup
In the box
Camera, mounting template and screws, a waterproofing kit for the network lead and the quick start guide. A microSD card, NVR and power supply are separate.
Mounting
Fix to a wall or ceiling, or use a Hikvision bracket or junction box for a clean cable exit. Set the motorised zoom and focus from software once mounted.
Power and cabling
One Cat6 lead to a PoE (802.3at) switch or NVR, or a local 12 VDC supply. Keep cable runs within 100 m or add a PoE switch or extender.
Coastal setup tips
On salt-air sites choose the -Y model, rinse the housing during maintenance, and use the smart white-light mode to limit night-time light spill near homes.
§ 07Questions
Frequently asked about the DS-2CD3787G3T-LIZSU(Y)
Q.01
Is the DS-2CD3787G3T-LIZSU a ColorVu camera or a DarkFighter camera?
Q.02
What does the -Y on the end of the model mean?
Q.03
Can I control the white light so it does not annoy neighbours?
Q.04
Does it have two-way audio?
Q.05
How is the false-alarm filtering handled?
Q.06
Which recorder should I use with it?
Q.07
What is the maximum coverage of the motorised lens?
Q.08
How does it compare with the DS-2CD3786G2HT Smart Hybrid Light dome?
§ 09Bundles
Recommended packages
Record and review it
Pair it with a Hikvision AcuSense recorder such as the 8-channel DS-7608NI-M2/8P or the 16-channel DS-7616NI-M2/16P, and fit a surveillance drive like the 6 TB drive for weeks of 8 MP footage.
Match it with a Smart Hybrid Light dome
Run it with the DS-2CD3786G2HT-LIZSUY where you need two built-in microphones, for a consistent 8 MP dome look across the site.
Store footage on the camera
A microSD card up to 512 GB gives on-board recording and a fallback if the network drops.
