System

Main Processor

Embedded processor

Operating System

Embedded Linux operating system

Button Type

Mechanical

Interoperability

ONVIF

Network Protocol

SIP; P2P; IPv4; DNS; RTSP; RTP; TCP; UDP

Basic

Camera

1/2.8'' 2MP CMOS high definition, low illumination/WDR/color/IR

Field of View

Horizontal: 125°; vertical: 72°; diagonal: 142°

WDR

120dB

Noise Reduction

3D noise reduction

Video Compression

H.264

Video Resolution

Main stream: WVGA, 720P, D1 Sub stream: CIF, WVGA, QVGA, 1080P, D1

Video Frame Rate

PAL:25 fps NTSC:30 fps

Video Bit Rate

256K to 4M

Light Compensation

Auto IR

Day/Night

ICR auto switch

Audio Compression

G.711Mu; G.711u; PCM

Audio Input

1

Audio Output

Built-in speaker

Audio Mode

Two-way audio

Audio Enhancement

Echo suppression and cancellation/digital noise reduction

Audio Bit Rate

16KHz, 16Bit

Function

Communication Mode

Full digital

Unlock Mode

Card/app/indoor monitor unlock

Card Type

IC card

Auto Snapshot

Auto snapshot can only be enabled on indoor monitors

Leave Videos

Yes (Insert an SD card into the indoor monitor)

Wi-Fi

Yes

Wireless Standard

IEEE802.11b/802.11g/802.11n

Wireless Frequency Range

2.4GHz

Web Configuration

Yes

Performance

Card Reading Distance

3cm–5cm

Casing

PC+Acrylic

Capacity

Card

10,000

Port

RS-485

1

Electric Lock

1

Alarm Input

1

Alarm Output

1

Power Output

1

Exit Button

1

Door Status Detection

1

Lock Control

1, normally closed by default

Network

1 10M/100M network port

Alarm

Tamper

Yes

General

Color

Black plate & silvery frames

Power Supply

12V DC 1A
Standard PoE

Installation

Surface mount

Certifications

CE/FCC/UL

Accessory

Brackets and alarm ribbon cable

Dimensions

150 mm × 100 mm ×24.8 mm (5.91'' × 3.94'' × 0.98'')

Protection Grade

IP 65 (silicone sealant is needed, see the quick start guide)

Operating Temperature

-30°C to +60°C (-22°F to +140°F)

Operating Humidity

10%RH–90%RH (non-condensing)

Operating Environment

Outdoor

Operating Altitude

Beneath 3000 m (9842.51 ft)

Power Consumption

Standby≤1W, working≤7W

Gross Weight

490 g (1.08 lb)

DHI-VTH5221DW-S2

System

Main Processor

Embedded processor

Operating System

Embedded Linux operating system

Button Type

Touch button

Network Protocol

IPv4, FTP, RTSP, RTP, TCP, UDP, SIP

Basic

Screen Type

Capacitive Screen

Display

7 inch TFT display

Resolution

1024×600

Video Compression

H.264

Audio Compression

G.711a; G.711Mu; G.711u; PCM

Audio Input

1 omnidirectional microphone

Audio Mode

Two-way audio

Audio Enhancement

Echo suppression and cancellation/digital noise reduction

Audio Bit Rate

16KHz, 16Bit

Function

Communication Mode

Full digital

Information Release

Text messages released by the management center can be received and viewed (Insert an SD card into the indoor monitor).

Elevator Control

You can control the elevator through the indoor monitor.

Smart Home

Can be connected to Dahua smart home devices.

Leave Videos

Yes (Insert an SD card into the indoor monitor)

DND Mode

Yes

Extension Quantity

9

Wi-Fi

Yes

Wireless Standard

IEEE802.11b/802.11g/802.11n

Wireless Frequency Range

2.4GHz

Wireless Security Encryption

64/128bit WEP, WPA/WPA2, WPA-PSK/WPA2-PSK, WPS

Storage

8G Micro SD card (max SD card capacity supported is 64GB)
FTP

Port

RS-485

1

Alarm Input

6

Door Bell

Yes

Network

1 RJ-45 , 10M/100Mbps self-adaptive

Alarm

SOS

Yes

Performance

Casing

PC+ABS

Color

White

Power Supply

Standard PoE
12V DC 1A

Installation

Surface mount

Accessory

Brackets and alarm ribbon cable

Dimensions

215.0 mm × 140.0 mm × 21.0 mm (5.91”× 3.94” ×0.98”)

Operating Temperature

-30°C to +55°C (-22°F to +140°F)

Operating Humidity

10%RH–90%RH (non-condensing)

Power Consumption

≤3W (standby), ≤7W (working)

Gross Weight

0.69 kg (1.52 lb)