Hikvision DS-2CD3748G2T-LIZSU Dome IP Camera 2.7-13.5MM 4MP Outdoor Network Security

Camera

Image Sensor

1/1.8″ Progressive Scan CMOS

Max. Resolution

2688 × 1520

Min. Illumination

Color: 0.001 Lux
@ (F1.2, AGC ON), 0
Lux with light

Shutter Time

1/3 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°

Lens

Lens Type

Varifocal lens,
motorized lens, 2.7 to 13.5 mm

Focal Length &
FOV

2.7 to 13.5
mm, horizontal FOV 114.6°
to 41.8°, vertical FOV
59.3° to 23.6°, diagonal

FOV 141.3° to 48.1°

Lens Mount

Integrated

Iris Type

DC iris

Focus

Auto, Semi-auto, Manual

Aperture

Max. F1.2

Depth of Field

1 m to ∞

DORI

DORI

Wide: D: 60.0m,
O: 23.8 m, R: 12.0 m, I:
6.0 m

Tele: D: 149 m,
O: 59.1 m, R: 29.8 m, I: 14.9 m

Illuminator

Supplement Light
Type

IR, White
Light

Supplement Light Range

Up to 40 m

Smart Supplement Light

Yes

IR Wavelength

850 nm

HEOP

Open Resources

Memory:
60 MB, Smart RAM: 400 MB,

eMMC: 2 GB

Computing Power

1.5 TOPS

Open Capability

HEOP 2.0 Opendev SDK

Deep Learning Structure

Caffe, PyTorch, TensorFlow, PaddlePaddle, ONNX

Programming Language

C, C++

Video

Main Stream

50 Hz: 25 fps (2688 × 1520, 1920 × 1080,
1280 × 720)

60 Hz: 30 fps
(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 (1920
× 1080, 1280 × 720, 640 × 480, 640 × 360)

60 Hz: 10 fps (1920
× 1080, 1280 × 720, 640 × 480, 640 × 360)

*Third stream is supported under
certain settings.

Fourth Stream

50 Hz: 10 fps
(1280 × 720, 640 × 480, 640
× 360)

60 Hz: 10 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,

*Third stream and fourth stream
are supported under
certain settings.

Video Bit Rate

32 Kbps to 8 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

Target Cropping

Yes

Audio

Audio Compression

G.711ulaw/G.711alaw/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)

Audio Sampling Rate

8 kHz/16 kHz/32
kHz/44.1 kHz/48 kHz

Environment Noise Filtering

Yes

Network

Protocols

TCP/IP,
ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, NTP, UPnP, SMTP, IGMP,
802.1X, QoS, IPv4,
IPv6, UDP, Bonjour, SSL/TLS, PPPoE, SFTP,
ARP, SNMP,

WebSocket, WebSockets, SRTP

Simultaneous Live View

Up to 6 channels

API

Open Network Video
Interface (Profile S, Profile G, Profile T), 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),

Together with
high-end Hikvision memory
card, memory card
encryption and health
detection are supported.

Client

iVMS-4200, Hik-Connect, Hik-Central

Web Browser

Plug-in required live view: IE 10, IE 11,

Plug-in free
live view: Chrome
57.0+, Firefox 52.0+,
Edge 89+, Local
service: Chrome 57.0+,
Firefox 52.0+, Edge
89+

Image

Image Parameters Switch

Yes

Image Settings

Rotate mode, saturation, brightness, contrast, sharpness, gain, white balance,

adjustable
by client software or web browser

Day/Night Switch

Day, Night, Auto,
Schedule

Wide Dynamic Range
(WDR)

140 dB

Image Enhancement

BLC, HLC, 3D DNR, DEFOG

SNR

≥ 52 dB

Privacy Mask

4 programmable polygon privacy masks

Interface

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 Microphone

-U: Yes, 2 built-in microphones

Audio

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

Event

Basic Event

Motion detection (support alarm triggering by specified target
types (human and

vehicle)), video tampering alarm, exception

Smart Event

Unattended baggage detection, object removal detection, scene
change

detection, audio exception detection, defocus detection

Linkage

Upload to FTP/NAS/memory card, notify surveillance center, send email,
trigger

recording,
trigger capture, trigger alarm output, audible warning

Deep Learning Function

Face Capture

Yes

People Counting

Yes

Perimeter Protection

Line crossing detection, intrusion detection, region entrance detection, region exiting detection,

Support alarm
triggered by specified target types (human
and vehicle)

General

Power

12 VDC
± 25%, 1.0
A, max. 12 W, Ø5.5
mm coaxial power
plug, reverse polarity protection,

PoE: IEEE
802.3at, Class 4, max. 14 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. 820 g (1.8 lb.)

With Package Weight

Approx. 1200 g (2.6 lb.)

General Function

Heartbeat, anti-banding, mirror,
flash log, password reset via email,
pixel counter

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)

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